Home / 10,747.10-16,132.80-8,292.80

Finding the Fourth Proportional to 10,747.10, 16,132.80 and 8,292.80

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Solution

The fourth proportional to 10,747.10, 16,132.80 and 8,292.80 is: 12,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.10 : 16,132.80 = 8,292.80 : x
  2. Step 2: Convert to fraction form
    10,747.10/16,132.80 = 8,292.80/x
  3. Step 3: Cross multiply
    10,747.10x = 16,132.80 × 8,292.80
  4. Step 4: Simplify right side
    10,747.10x = 133,786,083.84
  5. Step 5: Solve for x
    x = 133,786,083.84/10,747.10
  6. Step 6: Final answer
    x = 12,448.58

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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.