Home / 15,400.20-21,244.71-9,732.24

Finding the Fourth Proportional to 15,400.20, 21,244.71 and 9,732.24

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Solution

The fourth proportional to 15,400.20, 21,244.71 and 9,732.24 is: 13,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.20 : 21,244.71 = 9,732.24 : x
  2. Step 2: Convert to fraction form
    15,400.20/21,244.71 = 9,732.24/x
  3. Step 3: Cross multiply
    15,400.20x = 21,244.71 × 9,732.24
  4. Step 4: Simplify right side
    15,400.20x = 206,758,616.45
  5. Step 5: Solve for x
    x = 206,758,616.45/15,400.20
  6. Step 6: Final answer
    x = 13,425.71

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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.