Home / 15,552.76-21,463.25-9,503.99

Finding the Fourth Proportional to 15,552.76, 21,463.25 and 9,503.99

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Solution

The fourth proportional to 15,552.76, 21,463.25 and 9,503.99 is: 13,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,552.76 : 21,463.25 = 9,503.99 : x
  2. Step 2: Convert to fraction form
    15,552.76/21,463.25 = 9,503.99/x
  3. Step 3: Cross multiply
    15,552.76x = 21,463.25 × 9,503.99
  4. Step 4: Simplify right side
    15,552.76x = 203,986,358.53
  5. Step 5: Solve for x
    x = 203,986,358.53/15,552.76
  6. Step 6: Final answer
    x = 13,115.77

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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.