Home / 13,489.72-20,227.56-5,167.24

Finding the Fourth Proportional to 13,489.72, 20,227.56 and 5,167.24

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Solution

The fourth proportional to 13,489.72, 20,227.56 and 5,167.24 is: 7,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.72 : 20,227.56 = 5,167.24 : x
  2. Step 2: Convert to fraction form
    13,489.72/20,227.56 = 5,167.24/x
  3. Step 3: Cross multiply
    13,489.72x = 20,227.56 × 5,167.24
  4. Step 4: Simplify right side
    13,489.72x = 104,520,657.13
  5. Step 5: Solve for x
    x = 104,520,657.13/13,489.72
  6. Step 6: Final answer
    x = 7,748.17

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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.