Home / 9,293.10-13,990.38-8,476.62

Finding the Fourth Proportional to 9,293.10, 13,990.38 and 8,476.62

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Solution

The fourth proportional to 9,293.10, 13,990.38 and 8,476.62 is: 12,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.10 : 13,990.38 = 8,476.62 : x
  2. Step 2: Convert to fraction form
    9,293.10/13,990.38 = 8,476.62/x
  3. Step 3: Cross multiply
    9,293.10x = 13,990.38 × 8,476.62
  4. Step 4: Simplify right side
    9,293.10x = 118,591,134.92
  5. Step 5: Solve for x
    x = 118,591,134.92/9,293.10
  6. Step 6: Final answer
    x = 12,761.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.