Home / 10,001.54-13,791.78-8,589.92

Finding the Fourth Proportional to 10,001.54, 13,791.78 and 8,589.92

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Solution

The fourth proportional to 10,001.54, 13,791.78 and 8,589.92 is: 11,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.54 : 13,791.78 = 8,589.92 : x
  2. Step 2: Convert to fraction form
    10,001.54/13,791.78 = 8,589.92/x
  3. Step 3: Cross multiply
    10,001.54x = 13,791.78 × 8,589.92
  4. Step 4: Simplify right side
    10,001.54x = 118,470,217.90
  5. Step 5: Solve for x
    x = 118,470,217.90/10,001.54
  6. Step 6: Final answer
    x = 11,845.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.