Home / 10,910.04-15,057.26-6,660.21

Finding the Fourth Proportional to 10,910.04, 15,057.26 and 6,660.21

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Solution

The fourth proportional to 10,910.04, 15,057.26 and 6,660.21 is: 9,191.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.04 : 15,057.26 = 6,660.21 : x
  2. Step 2: Convert to fraction form
    10,910.04/15,057.26 = 6,660.21/x
  3. Step 3: Cross multiply
    10,910.04x = 15,057.26 × 6,660.21
  4. Step 4: Simplify right side
    10,910.04x = 100,284,513.62
  5. Step 5: Solve for x
    x = 100,284,513.62/10,910.04
  6. Step 6: Final answer
    x = 9,191.95

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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.