Home / 15,713.97-23,579.44-12,211.02

Finding the Fourth Proportional to 15,713.97, 23,579.44 and 12,211.02

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Solution

The fourth proportional to 15,713.97, 23,579.44 and 12,211.02 is: 18,323.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.97 : 23,579.44 = 12,211.02 : x
  2. Step 2: Convert to fraction form
    15,713.97/23,579.44 = 12,211.02/x
  3. Step 3: Cross multiply
    15,713.97x = 23,579.44 × 12,211.02
  4. Step 4: Simplify right side
    15,713.97x = 287,928,982.90
  5. Step 5: Solve for x
    x = 287,928,982.90/15,713.97
  6. Step 6: Final answer
    x = 18,323.13

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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.