Home / 12,711.40-19,067.10-6,132.95

Finding the Fourth Proportional to 12,711.40, 19,067.10 and 6,132.95

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Solution

The fourth proportional to 12,711.40, 19,067.10 and 6,132.95 is: 9,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.40 : 19,067.10 = 6,132.95 : x
  2. Step 2: Convert to fraction form
    12,711.40/19,067.10 = 6,132.95/x
  3. Step 3: Cross multiply
    12,711.40x = 19,067.10 × 6,132.95
  4. Step 4: Simplify right side
    12,711.40x = 116,937,524.11
  5. Step 5: Solve for x
    x = 116,937,524.11/12,711.40
  6. Step 6: Final answer
    x = 9,199.42

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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.