Home / 13,725.38-20,572.16-6,314.28

Finding the Fourth Proportional to 13,725.38, 20,572.16 and 6,314.28

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Solution

The fourth proportional to 13,725.38, 20,572.16 and 6,314.28 is: 9,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.38 : 20,572.16 = 6,314.28 : x
  2. Step 2: Convert to fraction form
    13,725.38/20,572.16 = 6,314.28/x
  3. Step 3: Cross multiply
    13,725.38x = 20,572.16 × 6,314.28
  4. Step 4: Simplify right side
    13,725.38x = 129,898,346.87
  5. Step 5: Solve for x
    x = 129,898,346.87/13,725.38
  6. Step 6: Final answer
    x = 9,464.10

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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.