Home / 13,432.52-20,152.82-5,423.17

Finding the Fourth Proportional to 13,432.52, 20,152.82 and 5,423.17

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Solution

The fourth proportional to 13,432.52, 20,152.82 and 5,423.17 is: 8,136.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.52 : 20,152.82 = 5,423.17 : x
  2. Step 2: Convert to fraction form
    13,432.52/20,152.82 = 5,423.17/x
  3. Step 3: Cross multiply
    13,432.52x = 20,152.82 × 5,423.17
  4. Step 4: Simplify right side
    13,432.52x = 109,292,091.34
  5. Step 5: Solve for x
    x = 109,292,091.34/13,432.52
  6. Step 6: Final answer
    x = 8,136.38

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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.