Home / 11,057.70-15,247.92-8,540.22

Finding the Fourth Proportional to 11,057.70, 15,247.92 and 8,540.22

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Solution

The fourth proportional to 11,057.70, 15,247.92 and 8,540.22 is: 11,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.70 : 15,247.92 = 8,540.22 : x
  2. Step 2: Convert to fraction form
    11,057.70/15,247.92 = 8,540.22/x
  3. Step 3: Cross multiply
    11,057.70x = 15,247.92 × 8,540.22
  4. Step 4: Simplify right side
    11,057.70x = 130,220,591.34
  5. Step 5: Solve for x
    x = 130,220,591.34/11,057.70
  6. Step 6: Final answer
    x = 11,776.46

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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.