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Finding the Fourth Proportional to 15,150.80, 22,604.50 and 13,487.60

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Solution

The fourth proportional to 15,150.80, 22,604.50 and 13,487.60 is: 20,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,150.80 : 22,604.50 = 13,487.60 : x
  2. Step 2: Convert to fraction form
    15,150.80/22,604.50 = 13,487.60/x
  3. Step 3: Cross multiply
    15,150.80x = 22,604.50 × 13,487.60
  4. Step 4: Simplify right side
    15,150.80x = 304,880,454.20
  5. Step 5: Solve for x
    x = 304,880,454.20/15,150.80
  6. Step 6: Final answer
    x = 20,123.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.