Home / 8,960.55-12,324.45-7,188.27

Finding the Fourth Proportional to 8,960.55, 12,324.45 and 7,188.27

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Solution

The fourth proportional to 8,960.55, 12,324.45 and 7,188.27 is: 9,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.55 : 12,324.45 = 7,188.27 : x
  2. Step 2: Convert to fraction form
    8,960.55/12,324.45 = 7,188.27/x
  3. Step 3: Cross multiply
    8,960.55x = 12,324.45 × 7,188.27
  4. Step 4: Simplify right side
    8,960.55x = 88,591,474.20
  5. Step 5: Solve for x
    x = 88,591,474.20/8,960.55
  6. Step 6: Final answer
    x = 9,886.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.