Home / 15,634.38-21,575.26-8,560.65

Finding the Fourth Proportional to 15,634.38, 21,575.26 and 8,560.65

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Solution

The fourth proportional to 15,634.38, 21,575.26 and 8,560.65 is: 11,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,634.38 : 21,575.26 = 8,560.65 : x
  2. Step 2: Convert to fraction form
    15,634.38/21,575.26 = 8,560.65/x
  3. Step 3: Cross multiply
    15,634.38x = 21,575.26 × 8,560.65
  4. Step 4: Simplify right side
    15,634.38x = 184,698,249.52
  5. Step 5: Solve for x
    x = 184,698,249.52/15,634.38
  6. Step 6: Final answer
    x = 11,813.60

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Half scale
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Double scale
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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.