Home / 9,355.76-14,033.64-2,781.92

Finding the Fourth Proportional to 9,355.76, 14,033.64 and 2,781.92

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Solution

The fourth proportional to 9,355.76, 14,033.64 and 2,781.92 is: 4,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.76 : 14,033.64 = 2,781.92 : x
  2. Step 2: Convert to fraction form
    9,355.76/14,033.64 = 2,781.92/x
  3. Step 3: Cross multiply
    9,355.76x = 14,033.64 × 2,781.92
  4. Step 4: Simplify right side
    9,355.76x = 39,040,463.79
  5. Step 5: Solve for x
    x = 39,040,463.79/9,355.76
  6. Step 6: Final answer
    x = 4,172.88

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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.