Home / 13,437.27-20,154.54-3,577.55

Finding the Fourth Proportional to 13,437.27, 20,154.54 and 3,577.55

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Solution

The fourth proportional to 13,437.27, 20,154.54 and 3,577.55 is: 5,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.27 : 20,154.54 = 3,577.55 : x
  2. Step 2: Convert to fraction form
    13,437.27/20,154.54 = 3,577.55/x
  3. Step 3: Cross multiply
    13,437.27x = 20,154.54 × 3,577.55
  4. Step 4: Simplify right side
    13,437.27x = 72,103,773.80
  5. Step 5: Solve for x
    x = 72,103,773.80/13,437.27
  6. Step 6: Final answer
    x = 5,365.95

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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.