Home / 9,329.38-12,856.83-6,672.17

Finding the Fourth Proportional to 9,329.38, 12,856.83 and 6,672.17

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Solution

The fourth proportional to 9,329.38, 12,856.83 and 6,672.17 is: 9,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.38 : 12,856.83 = 6,672.17 : x
  2. Step 2: Convert to fraction form
    9,329.38/12,856.83 = 6,672.17/x
  3. Step 3: Cross multiply
    9,329.38x = 12,856.83 × 6,672.17
  4. Step 4: Simplify right side
    9,329.38x = 85,782,962.54
  5. Step 5: Solve for x
    x = 85,782,962.54/9,329.38
  6. Step 6: Final answer
    x = 9,194.93

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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.