Home / 10,990.92-15,167.14-6,274.28

Finding the Fourth Proportional to 10,990.92, 15,167.14 and 6,274.28

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Solution

The fourth proportional to 10,990.92, 15,167.14 and 6,274.28 is: 8,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.92 : 15,167.14 = 6,274.28 : x
  2. Step 2: Convert to fraction form
    10,990.92/15,167.14 = 6,274.28/x
  3. Step 3: Cross multiply
    10,990.92x = 15,167.14 × 6,274.28
  4. Step 4: Simplify right side
    10,990.92x = 95,162,883.16
  5. Step 5: Solve for x
    x = 95,162,883.16/10,990.92
  6. Step 6: Final answer
    x = 8,658.32

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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.