Home / 20,314.92-28,034.46-11,362.38

Finding the Fourth Proportional to 20,314.92, 28,034.46 and 11,362.38

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Solution

The fourth proportional to 20,314.92, 28,034.46 and 11,362.38 is: 15,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.92 : 28,034.46 = 11,362.38 : x
  2. Step 2: Convert to fraction form
    20,314.92/28,034.46 = 11,362.38/x
  3. Step 3: Cross multiply
    20,314.92x = 28,034.46 × 11,362.38
  4. Step 4: Simplify right side
    20,314.92x = 318,538,187.61
  5. Step 5: Solve for x
    x = 318,538,187.61/20,314.92
  6. Step 6: Final answer
    x = 15,680.01

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Double scale
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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.