Home / 18,402.06-25,404.30-10,850.85

Finding the Fourth Proportional to 18,402.06, 25,404.30 and 10,850.85

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Solution

The fourth proportional to 18,402.06, 25,404.30 and 10,850.85 is: 14,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.06 : 25,404.30 = 10,850.85 : x
  2. Step 2: Convert to fraction form
    18,402.06/25,404.30 = 10,850.85/x
  3. Step 3: Cross multiply
    18,402.06x = 25,404.30 × 10,850.85
  4. Step 4: Simplify right side
    18,402.06x = 275,658,248.66
  5. Step 5: Solve for x
    x = 275,658,248.66/18,402.06
  6. Step 6: Final answer
    x = 14,979.75

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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.