Home / 12,084.82-18,132.40-6,542.10

Finding the Fourth Proportional to 12,084.82, 18,132.40 and 6,542.10

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Solution

The fourth proportional to 12,084.82, 18,132.40 and 6,542.10 is: 9,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.82 : 18,132.40 = 6,542.10 : x
  2. Step 2: Convert to fraction form
    12,084.82/18,132.40 = 6,542.10/x
  3. Step 3: Cross multiply
    12,084.82x = 18,132.40 × 6,542.10
  4. Step 4: Simplify right side
    12,084.82x = 118,623,974.04
  5. Step 5: Solve for x
    x = 118,623,974.04/12,084.82
  6. Step 6: Final answer
    x = 9,815.95

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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.