Home / 18,296.12-25,248.56-9,912.62

Finding the Fourth Proportional to 18,296.12, 25,248.56 and 9,912.62

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Solution

The fourth proportional to 18,296.12, 25,248.56 and 9,912.62 is: 13,679.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,296.12 : 25,248.56 = 9,912.62 : x
  2. Step 2: Convert to fraction form
    18,296.12/25,248.56 = 9,912.62/x
  3. Step 3: Cross multiply
    18,296.12x = 25,248.56 × 9,912.62
  4. Step 4: Simplify right side
    18,296.12x = 250,279,205.02
  5. Step 5: Solve for x
    x = 250,279,205.02/18,296.12
  6. Step 6: Final answer
    x = 13,679.36

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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.