Home / 11,003.71-15,185.92-6,287.89

Finding the Fourth Proportional to 11,003.71, 15,185.92 and 6,287.89

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Solution

The fourth proportional to 11,003.71, 15,185.92 and 6,287.89 is: 8,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.71 : 15,185.92 = 6,287.89 : x
  2. Step 2: Convert to fraction form
    11,003.71/15,185.92 = 6,287.89/x
  3. Step 3: Cross multiply
    11,003.71x = 15,185.92 × 6,287.89
  4. Step 4: Simplify right side
    11,003.71x = 95,487,318.58
  5. Step 5: Solve for x
    x = 95,487,318.58/11,003.71
  6. Step 6: Final answer
    x = 8,677.74

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1.5x scale

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.