Home / 10,990.73-15,167.96-6,209.02

Finding the Fourth Proportional to 10,990.73, 15,167.96 and 6,209.02

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Solution

The fourth proportional to 10,990.73, 15,167.96 and 6,209.02 is: 8,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.73 : 15,167.96 = 6,209.02 : x
  2. Step 2: Convert to fraction form
    10,990.73/15,167.96 = 6,209.02/x
  3. Step 3: Cross multiply
    10,990.73x = 15,167.96 × 6,209.02
  4. Step 4: Simplify right side
    10,990.73x = 94,178,098.03
  5. Step 5: Solve for x
    x = 94,178,098.03/10,990.73
  6. Step 6: Final answer
    x = 8,568.86

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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.