Home / 18,747.90-25,840.17-17,158.92

Finding the Fourth Proportional to 18,747.90, 25,840.17 and 17,158.92

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Solution

The fourth proportional to 18,747.90, 25,840.17 and 17,158.92 is: 23,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.90 : 25,840.17 = 17,158.92 : x
  2. Step 2: Convert to fraction form
    18,747.90/25,840.17 = 17,158.92/x
  3. Step 3: Cross multiply
    18,747.90x = 25,840.17 × 17,158.92
  4. Step 4: Simplify right side
    18,747.90x = 443,389,409.82
  5. Step 5: Solve for x
    x = 443,389,409.82/18,747.90
  6. Step 6: Final answer
    x = 23,650.08

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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.