Home / 10,975.80-15,146.49-5,939.92

Finding the Fourth Proportional to 10,975.80, 15,146.49 and 5,939.92

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Solution

The fourth proportional to 10,975.80, 15,146.49 and 5,939.92 is: 8,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.80 : 15,146.49 = 5,939.92 : x
  2. Step 2: Convert to fraction form
    10,975.80/15,146.49 = 5,939.92/x
  3. Step 3: Cross multiply
    10,975.80x = 15,146.49 × 5,939.92
  4. Step 4: Simplify right side
    10,975.80x = 89,968,894.89
  5. Step 5: Solve for x
    x = 89,968,894.89/10,975.80
  6. Step 6: Final answer
    x = 8,197.02

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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.