Home / 13,614.56-20,419.85-4,252.40

Finding the Fourth Proportional to 13,614.56, 20,419.85 and 4,252.40

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Solution

The fourth proportional to 13,614.56, 20,419.85 and 4,252.40 is: 6,377.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.56 : 20,419.85 = 4,252.40 : x
  2. Step 2: Convert to fraction form
    13,614.56/20,419.85 = 4,252.40/x
  3. Step 3: Cross multiply
    13,614.56x = 20,419.85 × 4,252.40
  4. Step 4: Simplify right side
    13,614.56x = 86,833,246.78
  5. Step 5: Solve for x
    x = 86,833,246.78/13,614.56
  6. Step 6: Final answer
    x = 6,377.97

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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.