Home / 10,079.46-15,061.13-7,694.42

Finding the Fourth Proportional to 10,079.46, 15,061.13 and 7,694.42

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Solution

The fourth proportional to 10,079.46, 15,061.13 and 7,694.42 is: 11,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.46 : 15,061.13 = 7,694.42 : x
  2. Step 2: Convert to fraction form
    10,079.46/15,061.13 = 7,694.42/x
  3. Step 3: Cross multiply
    10,079.46x = 15,061.13 × 7,694.42
  4. Step 4: Simplify right side
    10,079.46x = 115,886,546.12
  5. Step 5: Solve for x
    x = 115,886,546.12/10,079.46
  6. Step 6: Final answer
    x = 11,497.30

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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.