Home / 10,910.29-15,057.61-6,660.46

Finding the Fourth Proportional to 10,910.29, 15,057.61 and 6,660.46

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Solution

The fourth proportional to 10,910.29, 15,057.61 and 6,660.46 is: 9,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.29 : 15,057.61 = 6,660.46 : x
  2. Step 2: Convert to fraction form
    10,910.29/15,057.61 = 6,660.46/x
  3. Step 3: Cross multiply
    10,910.29x = 15,057.61 × 6,660.46
  4. Step 4: Simplify right side
    10,910.29x = 100,290,575.80
  5. Step 5: Solve for x
    x = 100,290,575.80/10,910.29
  6. Step 6: Final answer
    x = 9,192.29

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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.