Home / 15,081.24-20,839.20-11,732.76

Finding the Fourth Proportional to 15,081.24, 20,839.20 and 11,732.76

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Solution

The fourth proportional to 15,081.24, 20,839.20 and 11,732.76 is: 16,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.24 : 20,839.20 = 11,732.76 : x
  2. Step 2: Convert to fraction form
    15,081.24/20,839.20 = 11,732.76/x
  3. Step 3: Cross multiply
    15,081.24x = 20,839.20 × 11,732.76
  4. Step 4: Simplify right side
    15,081.24x = 244,501,332.19
  5. Step 5: Solve for x
    x = 244,501,332.19/15,081.24
  6. Step 6: Final answer
    x = 16,212.28

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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.