Home / 10,957.82-15,121.76-6,242.13

Finding the Fourth Proportional to 10,957.82, 15,121.76 and 6,242.13

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Solution

The fourth proportional to 10,957.82, 15,121.76 and 6,242.13 is: 8,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.82 : 15,121.76 = 6,242.13 : x
  2. Step 2: Convert to fraction form
    10,957.82/15,121.76 = 6,242.13/x
  3. Step 3: Cross multiply
    10,957.82x = 15,121.76 × 6,242.13
  4. Step 4: Simplify right side
    10,957.82x = 94,391,960.54
  5. Step 5: Solve for x
    x = 94,391,960.54/10,957.82
  6. Step 6: Final answer
    x = 8,614.12

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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.