Home / 13,423.92-20,132.76-5,104.92

Finding the Fourth Proportional to 13,423.92, 20,132.76 and 5,104.92

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Solution

The fourth proportional to 13,423.92, 20,132.76 and 5,104.92 is: 7,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.92 : 20,132.76 = 5,104.92 : x
  2. Step 2: Convert to fraction form
    13,423.92/20,132.76 = 5,104.92/x
  3. Step 3: Cross multiply
    13,423.92x = 20,132.76 × 5,104.92
  4. Step 4: Simplify right side
    13,423.92x = 102,776,129.18
  5. Step 5: Solve for x
    x = 102,776,129.18/13,423.92
  6. Step 6: Final answer
    x = 7,656.19

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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.