Home / 10,101.30-15,153.60-2,986.26

Finding the Fourth Proportional to 10,101.30, 15,153.60 and 2,986.26

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Solution

The fourth proportional to 10,101.30, 15,153.60 and 2,986.26 is: 4,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.30 : 15,153.60 = 2,986.26 : x
  2. Step 2: Convert to fraction form
    10,101.30/15,153.60 = 2,986.26/x
  3. Step 3: Cross multiply
    10,101.30x = 15,153.60 × 2,986.26
  4. Step 4: Simplify right side
    10,101.30x = 45,252,589.54
  5. Step 5: Solve for x
    x = 45,252,589.54/10,101.30
  6. Step 6: Final answer
    x = 4,479.88

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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.