Home / 12,260.73-18,387.30-6,414.15

Finding the Fourth Proportional to 12,260.73, 18,387.30 and 6,414.15

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Solution

The fourth proportional to 12,260.73, 18,387.30 and 6,414.15 is: 9,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.73 : 18,387.30 = 6,414.15 : x
  2. Step 2: Convert to fraction form
    12,260.73/18,387.30 = 6,414.15/x
  3. Step 3: Cross multiply
    12,260.73x = 18,387.30 × 6,414.15
  4. Step 4: Simplify right side
    12,260.73x = 117,938,900.30
  5. Step 5: Solve for x
    x = 117,938,900.30/12,260.73
  6. Step 6: Final answer
    x = 9,619.24

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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.