Home / 11,092.62-15,286.77-7,943.34

Finding the Fourth Proportional to 11,092.62, 15,286.77 and 7,943.34

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Solution

The fourth proportional to 11,092.62, 15,286.77 and 7,943.34 is: 10,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092.62 : 15,286.77 = 7,943.34 : x
  2. Step 2: Convert to fraction form
    11,092.62/15,286.77 = 7,943.34/x
  3. Step 3: Cross multiply
    11,092.62x = 15,286.77 × 7,943.34
  4. Step 4: Simplify right side
    11,092.62x = 121,428,011.61
  5. Step 5: Solve for x
    x = 121,428,011.61/11,092.62
  6. Step 6: Final answer
    x = 10,946.74

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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.