Home / 13,452.52-20,178.72-3,592.78

Finding the Fourth Proportional to 13,452.52, 20,178.72 and 3,592.78

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Solution

The fourth proportional to 13,452.52, 20,178.72 and 3,592.78 is: 5,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.52 : 20,178.72 = 3,592.78 : x
  2. Step 2: Convert to fraction form
    13,452.52/20,178.72 = 3,592.78/x
  3. Step 3: Cross multiply
    13,452.52x = 20,178.72 × 3,592.78
  4. Step 4: Simplify right side
    13,452.52x = 72,497,701.64
  5. Step 5: Solve for x
    x = 72,497,701.64/13,452.52
  6. Step 6: Final answer
    x = 5,389.15

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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.