Home / 12,502.28-18,758.46-4,713.32

Finding the Fourth Proportional to 12,502.28, 18,758.46 and 4,713.32

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Solution

The fourth proportional to 12,502.28, 18,758.46 and 4,713.32 is: 7,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.28 : 18,758.46 = 4,713.32 : x
  2. Step 2: Convert to fraction form
    12,502.28/18,758.46 = 4,713.32/x
  3. Step 3: Cross multiply
    12,502.28x = 18,758.46 × 4,713.32
  4. Step 4: Simplify right side
    12,502.28x = 88,414,624.69
  5. Step 5: Solve for x
    x = 88,414,624.69/12,502.28
  6. Step 6: Final answer
    x = 7,071.88

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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.