Home / 12,402.97-18,607.01-4,083.48

Finding the Fourth Proportional to 12,402.97, 18,607.01 and 4,083.48

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Solution

The fourth proportional to 12,402.97, 18,607.01 and 4,083.48 is: 6,126.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.97 : 18,607.01 = 4,083.48 : x
  2. Step 2: Convert to fraction form
    12,402.97/18,607.01 = 4,083.48/x
  3. Step 3: Cross multiply
    12,402.97x = 18,607.01 × 4,083.48
  4. Step 4: Simplify right side
    12,402.97x = 75,981,355.75
  5. Step 5: Solve for x
    x = 75,981,355.75/12,402.97
  6. Step 6: Final answer
    x = 6,126.06

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1.5x scale

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.