Home / 12,734.80-19,102.20-5,337.28

Finding the Fourth Proportional to 12,734.80, 19,102.20 and 5,337.28

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Solution

The fourth proportional to 12,734.80, 19,102.20 and 5,337.28 is: 8,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734.80 : 19,102.20 = 5,337.28 : x
  2. Step 2: Convert to fraction form
    12,734.80/19,102.20 = 5,337.28/x
  3. Step 3: Cross multiply
    12,734.80x = 19,102.20 × 5,337.28
  4. Step 4: Simplify right side
    12,734.80x = 101,953,790.02
  5. Step 5: Solve for x
    x = 101,953,790.02/12,734.80
  6. Step 6: Final answer
    x = 8,005.92

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Similar ratio
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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.