Home / 15,395.16-21,245.39-9,732.39

Finding the Fourth Proportional to 15,395.16, 21,245.39 and 9,732.39

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Solution

The fourth proportional to 15,395.16, 21,245.39 and 9,732.39 is: 13,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395.16 : 21,245.39 = 9,732.39 : x
  2. Step 2: Convert to fraction form
    15,395.16/21,245.39 = 9,732.39/x
  3. Step 3: Cross multiply
    15,395.16x = 21,245.39 × 9,732.39
  4. Step 4: Simplify right side
    15,395.16x = 206,768,329.35
  5. Step 5: Solve for x
    x = 206,768,329.35/15,395.16
  6. Step 6: Final answer
    x = 13,430.73

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Similar ratio
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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.