Home / 11,059.80-15,262.26-6,343.78

Finding the Fourth Proportional to 11,059.80, 15,262.26 and 6,343.78

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Solution

The fourth proportional to 11,059.80, 15,262.26 and 6,343.78 is: 8,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.80 : 15,262.26 = 6,343.78 : x
  2. Step 2: Convert to fraction form
    11,059.80/15,262.26 = 6,343.78/x
  3. Step 3: Cross multiply
    11,059.80x = 15,262.26 × 6,343.78
  4. Step 4: Simplify right side
    11,059.80x = 96,820,419.74
  5. Step 5: Solve for x
    x = 96,820,419.74/11,059.80
  6. Step 6: Final answer
    x = 8,754.26

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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.