Home / 8,432.19-12,655.17-5,969.40

Finding the Fourth Proportional to 8,432.19, 12,655.17 and 5,969.40

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Solution

The fourth proportional to 8,432.19, 12,655.17 and 5,969.40 is: 8,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.19 : 12,655.17 = 5,969.40 : x
  2. Step 2: Convert to fraction form
    8,432.19/12,655.17 = 5,969.40/x
  3. Step 3: Cross multiply
    8,432.19x = 12,655.17 × 5,969.40
  4. Step 4: Simplify right side
    8,432.19x = 75,543,771.80
  5. Step 5: Solve for x
    x = 75,543,771.80/8,432.19
  6. Step 6: Final answer
    x = 8,958.97

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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.