Home / 15,587.25-21,493.38-10,542.71

Finding the Fourth Proportional to 15,587.25, 21,493.38 and 10,542.71

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Solution

The fourth proportional to 15,587.25, 21,493.38 and 10,542.71 is: 14,537.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.25 : 21,493.38 = 10,542.71 : x
  2. Step 2: Convert to fraction form
    15,587.25/21,493.38 = 10,542.71/x
  3. Step 3: Cross multiply
    15,587.25x = 21,493.38 × 10,542.71
  4. Step 4: Simplify right side
    15,587.25x = 226,598,472.26
  5. Step 5: Solve for x
    x = 226,598,472.26/15,587.25
  6. Step 6: Final answer
    x = 14,537.42

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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.