Home / 12,728.48-19,092.72-6,572.96

Finding the Fourth Proportional to 12,728.48, 19,092.72 and 6,572.96

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Solution

The fourth proportional to 12,728.48, 19,092.72 and 6,572.96 is: 9,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728.48 : 19,092.72 = 6,572.96 : x
  2. Step 2: Convert to fraction form
    12,728.48/19,092.72 = 6,572.96/x
  3. Step 3: Cross multiply
    12,728.48x = 19,092.72 × 6,572.96
  4. Step 4: Simplify right side
    12,728.48x = 125,495,684.85
  5. Step 5: Solve for x
    x = 125,495,684.85/12,728.48
  6. Step 6: Final answer
    x = 9,859.44

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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.