Home / 10,126.49-15,179.31-3,884.84

Finding the Fourth Proportional to 10,126.49, 15,179.31 and 3,884.84

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Solution

The fourth proportional to 10,126.49, 15,179.31 and 3,884.84 is: 5,823.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.49 : 15,179.31 = 3,884.84 : x
  2. Step 2: Convert to fraction form
    10,126.49/15,179.31 = 3,884.84/x
  3. Step 3: Cross multiply
    10,126.49x = 15,179.31 × 3,884.84
  4. Step 4: Simplify right side
    10,126.49x = 58,969,190.66
  5. Step 5: Solve for x
    x = 58,969,190.66/10,126.49
  6. Step 6: Final answer
    x = 5,823.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.