Home / 9,939.92-14,926.28-8,988.57

Finding the Fourth Proportional to 9,939.92, 14,926.28 and 8,988.57

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Solution

The fourth proportional to 9,939.92, 14,926.28 and 8,988.57 is: 13,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.92 : 14,926.28 = 8,988.57 : x
  2. Step 2: Convert to fraction form
    9,939.92/14,926.28 = 8,988.57/x
  3. Step 3: Cross multiply
    9,939.92x = 14,926.28 × 8,988.57
  4. Step 4: Simplify right side
    9,939.92x = 134,165,867.68
  5. Step 5: Solve for x
    x = 134,165,867.68/9,939.92
  6. Step 6: Final answer
    x = 13,497.69

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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.