Home / 9,105.92-12,565.28-6,717.15

Finding the Fourth Proportional to 9,105.92, 12,565.28 and 6,717.15

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Solution

The fourth proportional to 9,105.92, 12,565.28 and 6,717.15 is: 9,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.92 : 12,565.28 = 6,717.15 : x
  2. Step 2: Convert to fraction form
    9,105.92/12,565.28 = 6,717.15/x
  3. Step 3: Cross multiply
    9,105.92x = 12,565.28 × 6,717.15
  4. Step 4: Simplify right side
    9,105.92x = 84,402,884.90
  5. Step 5: Solve for x
    x = 84,402,884.90/9,105.92
  6. Step 6: Final answer
    x = 9,269.01

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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.