Home / 20,176.38-27,844.08-11,102.10

Finding the Fourth Proportional to 20,176.38, 27,844.08 and 11,102.10

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Solution

The fourth proportional to 20,176.38, 27,844.08 and 11,102.10 is: 15,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.38 : 27,844.08 = 11,102.10 : x
  2. Step 2: Convert to fraction form
    20,176.38/27,844.08 = 11,102.10/x
  3. Step 3: Cross multiply
    20,176.38x = 27,844.08 × 11,102.10
  4. Step 4: Simplify right side
    20,176.38x = 309,127,760.57
  5. Step 5: Solve for x
    x = 309,127,760.57/20,176.38
  6. Step 6: Final answer
    x = 15,321.27

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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.