Home / 13,432.44-20,147.10-3,572.49

Finding the Fourth Proportional to 13,432.44, 20,147.10 and 3,572.49

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Solution

The fourth proportional to 13,432.44, 20,147.10 and 3,572.49 is: 5,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.44 : 20,147.10 = 3,572.49 : x
  2. Step 2: Convert to fraction form
    13,432.44/20,147.10 = 3,572.49/x
  3. Step 3: Cross multiply
    13,432.44x = 20,147.10 × 3,572.49
  4. Step 4: Simplify right side
    13,432.44x = 71,975,313.28
  5. Step 5: Solve for x
    x = 71,975,313.28/13,432.44
  6. Step 6: Final answer
    x = 5,358.32

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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.