Home / 15,633.38-21,573.69-8,560.10

Finding the Fourth Proportional to 15,633.38, 21,573.69 and 8,560.10

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Solution

The fourth proportional to 15,633.38, 21,573.69 and 8,560.10 is: 11,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.38 : 21,573.69 = 8,560.10 : x
  2. Step 2: Convert to fraction form
    15,633.38/21,573.69 = 8,560.10/x
  3. Step 3: Cross multiply
    15,633.38x = 21,573.69 × 8,560.10
  4. Step 4: Simplify right side
    15,633.38x = 184,672,943.77
  5. Step 5: Solve for x
    x = 184,672,943.77/15,633.38
  6. Step 6: Final answer
    x = 11,812.73

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Find fourth proportional to 7,816.69, 10,786.85 and 4,280.05
Half scale
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Double scale
Find fourth proportional to 15,634.38, 21,575.07 and 8,561.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.