Home / 10,960.80-16,419.60-6,565.20

Finding the Fourth Proportional to 10,960.80, 16,419.60 and 6,565.20

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Solution

The fourth proportional to 10,960.80, 16,419.60 and 6,565.20 is: 9,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.80 : 16,419.60 = 6,565.20 : x
  2. Step 2: Convert to fraction form
    10,960.80/16,419.60 = 6,565.20/x
  3. Step 3: Cross multiply
    10,960.80x = 16,419.60 × 6,565.20
  4. Step 4: Simplify right side
    10,960.80x = 107,797,957.92
  5. Step 5: Solve for x
    x = 107,797,957.92/10,960.80
  6. Step 6: Final answer
    x = 9,834.86

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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.