Home / 13,433.31-20,150.98-3,572.30

Finding the Fourth Proportional to 13,433.31, 20,150.98 and 3,572.30

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Solution

The fourth proportional to 13,433.31, 20,150.98 and 3,572.30 is: 5,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.31 : 20,150.98 = 3,572.30 : x
  2. Step 2: Convert to fraction form
    13,433.31/20,150.98 = 3,572.30/x
  3. Step 3: Cross multiply
    13,433.31x = 20,150.98 × 3,572.30
  4. Step 4: Simplify right side
    13,433.31x = 71,985,387.30
  5. Step 5: Solve for x
    x = 71,985,387.30/13,433.31
  6. Step 6: Final answer
    x = 5,358.72

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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.