Home / 15,329.56-22,981.82-7,936.15

Finding the Fourth Proportional to 15,329.56, 22,981.82 and 7,936.15

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Solution

The fourth proportional to 15,329.56, 22,981.82 and 7,936.15 is: 11,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.56 : 22,981.82 = 7,936.15 : x
  2. Step 2: Convert to fraction form
    15,329.56/22,981.82 = 7,936.15/x
  3. Step 3: Cross multiply
    15,329.56x = 22,981.82 × 7,936.15
  4. Step 4: Simplify right side
    15,329.56x = 182,387,170.79
  5. Step 5: Solve for x
    x = 182,387,170.79/15,329.56
  6. Step 6: Final answer
    x = 11,897.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.