Home / 10,781.24-16,176.96-4,542.68

Finding the Fourth Proportional to 10,781.24, 16,176.96 and 4,542.68

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Solution

The fourth proportional to 10,781.24, 16,176.96 and 4,542.68 is: 6,816.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.24 : 16,176.96 = 4,542.68 : x
  2. Step 2: Convert to fraction form
    10,781.24/16,176.96 = 4,542.68/x
  3. Step 3: Cross multiply
    10,781.24x = 16,176.96 × 4,542.68
  4. Step 4: Simplify right side
    10,781.24x = 73,486,752.65
  5. Step 5: Solve for x
    x = 73,486,752.65/10,781.24
  6. Step 6: Final answer
    x = 6,816.17

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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.