Home / 8,253.32-12,350.40-7,146.56

Finding the Fourth Proportional to 8,253.32, 12,350.40 and 7,146.56

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Solution

The fourth proportional to 8,253.32, 12,350.40 and 7,146.56 is: 10,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.32 : 12,350.40 = 7,146.56 : x
  2. Step 2: Convert to fraction form
    8,253.32/12,350.40 = 7,146.56/x
  3. Step 3: Cross multiply
    8,253.32x = 12,350.40 × 7,146.56
  4. Step 4: Simplify right side
    8,253.32x = 88,262,812.87
  5. Step 5: Solve for x
    x = 88,262,812.87/8,253.32
  6. Step 6: Final answer
    x = 10,694.22

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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.