Home / 19,149.82-26,425.90-11,082.20

Finding the Fourth Proportional to 19,149.82, 26,425.90 and 11,082.20

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Solution

The fourth proportional to 19,149.82, 26,425.90 and 11,082.20 is: 15,292.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.82 : 26,425.90 = 11,082.20 : x
  2. Step 2: Convert to fraction form
    19,149.82/26,425.90 = 11,082.20/x
  3. Step 3: Cross multiply
    19,149.82x = 26,425.90 × 11,082.20
  4. Step 4: Simplify right side
    19,149.82x = 292,856,921.44
  5. Step 5: Solve for x
    x = 292,856,921.44/19,149.82
  6. Step 6: Final answer
    x = 15,292.93

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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.