Home / 23,177.25-34,764.26-12,090.20

Finding the Fourth Proportional to 23,177.25, 34,764.26 and 12,090.20

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Solution

The fourth proportional to 23,177.25, 34,764.26 and 12,090.20 is: 18,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,177.25 : 34,764.26 = 12,090.20 : x
  2. Step 2: Convert to fraction form
    23,177.25/34,764.26 = 12,090.20/x
  3. Step 3: Cross multiply
    23,177.25x = 34,764.26 × 12,090.20
  4. Step 4: Simplify right side
    23,177.25x = 420,306,621.98
  5. Step 5: Solve for x
    x = 420,306,621.98/23,177.25
  6. Step 6: Final answer
    x = 18,134.45

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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.