Home / 18,296.52-25,245.78-11,577.45

Finding the Fourth Proportional to 18,296.52, 25,245.78 and 11,577.45

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Solution

The fourth proportional to 18,296.52, 25,245.78 and 11,577.45 is: 15,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.52 : 25,245.78 = 11,577.45 : x
  2. Step 2: Convert to fraction form
    18,296.52/25,245.78 = 11,577.45/x
  3. Step 3: Cross multiply
    18,296.52x = 25,245.78 × 11,577.45
  4. Step 4: Simplify right side
    18,296.52x = 292,281,755.66
  5. Step 5: Solve for x
    x = 292,281,755.66/18,296.52
  6. Step 6: Final answer
    x = 15,974.72

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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.