Home / 8,943.92-12,339.20-6,591.68

Finding the Fourth Proportional to 8,943.92, 12,339.20 and 6,591.68

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Solution

The fourth proportional to 8,943.92, 12,339.20 and 6,591.68 is: 9,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.92 : 12,339.20 = 6,591.68 : x
  2. Step 2: Convert to fraction form
    8,943.92/12,339.20 = 6,591.68/x
  3. Step 3: Cross multiply
    8,943.92x = 12,339.20 × 6,591.68
  4. Step 4: Simplify right side
    8,943.92x = 81,336,057.86
  5. Step 5: Solve for x
    x = 81,336,057.86/8,943.92
  6. Step 6: Final answer
    x = 9,094.01

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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.