Home / 9,169.28-13,755.78-2,929.11

Finding the Fourth Proportional to 9,169.28, 13,755.78 and 2,929.11

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Solution

The fourth proportional to 9,169.28, 13,755.78 and 2,929.11 is: 4,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.28 : 13,755.78 = 2,929.11 : x
  2. Step 2: Convert to fraction form
    9,169.28/13,755.78 = 2,929.11/x
  3. Step 3: Cross multiply
    9,169.28x = 13,755.78 × 2,929.11
  4. Step 4: Simplify right side
    9,169.28x = 40,292,192.76
  5. Step 5: Solve for x
    x = 40,292,192.76/9,169.28
  6. Step 6: Final answer
    x = 4,394.26

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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.