Home / 13,614.32-20,412.12-6,115.04

Finding the Fourth Proportional to 13,614.32, 20,412.12 and 6,115.04

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Solution

The fourth proportional to 13,614.32, 20,412.12 and 6,115.04 is: 9,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.32 : 20,412.12 = 6,115.04 : x
  2. Step 2: Convert to fraction form
    13,614.32/20,412.12 = 6,115.04/x
  3. Step 3: Cross multiply
    13,614.32x = 20,412.12 × 6,115.04
  4. Step 4: Simplify right side
    13,614.32x = 124,820,930.28
  5. Step 5: Solve for x
    x = 124,820,930.28/13,614.32
  6. Step 6: Final answer
    x = 9,168.36

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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.