Home / 9,942.33-14,972.68-8,659.29

Finding the Fourth Proportional to 9,942.33, 14,972.68 and 8,659.29

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Solution

The fourth proportional to 9,942.33, 14,972.68 and 8,659.29 is: 13,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.33 : 14,972.68 = 8,659.29 : x
  2. Step 2: Convert to fraction form
    9,942.33/14,972.68 = 8,659.29/x
  3. Step 3: Cross multiply
    9,942.33x = 14,972.68 × 8,659.29
  4. Step 4: Simplify right side
    9,942.33x = 129,652,756.55
  5. Step 5: Solve for x
    x = 129,652,756.55/9,942.33
  6. Step 6: Final answer
    x = 13,040.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.