Home / 12,736.01-19,079.19-8,340.14

Finding the Fourth Proportional to 12,736.01, 19,079.19 and 8,340.14

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Solution

The fourth proportional to 12,736.01, 19,079.19 and 8,340.14 is: 12,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736.01 : 19,079.19 = 8,340.14 : x
  2. Step 2: Convert to fraction form
    12,736.01/19,079.19 = 8,340.14/x
  3. Step 3: Cross multiply
    12,736.01x = 19,079.19 × 8,340.14
  4. Step 4: Simplify right side
    12,736.01x = 159,123,020.29
  5. Step 5: Solve for x
    x = 159,123,020.29/12,736.01
  6. Step 6: Final answer
    x = 12,493.95

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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.