Home / 15,633.88-21,574.38-8,560.60

Finding the Fourth Proportional to 15,633.88, 21,574.38 and 8,560.60

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Solution

The fourth proportional to 15,633.88, 21,574.38 and 8,560.60 is: 11,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.88 : 21,574.38 = 8,560.60 : x
  2. Step 2: Convert to fraction form
    15,633.88/21,574.38 = 8,560.60/x
  3. Step 3: Cross multiply
    15,633.88x = 21,574.38 × 8,560.60
  4. Step 4: Simplify right side
    15,633.88x = 184,689,637.43
  5. Step 5: Solve for x
    x = 184,689,637.43/15,633.88
  6. Step 6: Final answer
    x = 11,813.42

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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.