Home / 10,077.56-15,116.32-2,682.02

Finding the Fourth Proportional to 10,077.56, 15,116.32 and 2,682.02

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Solution

The fourth proportional to 10,077.56, 15,116.32 and 2,682.02 is: 4,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.56 : 15,116.32 = 2,682.02 : x
  2. Step 2: Convert to fraction form
    10,077.56/15,116.32 = 2,682.02/x
  3. Step 3: Cross multiply
    10,077.56x = 15,116.32 × 2,682.02
  4. Step 4: Simplify right side
    10,077.56x = 40,542,272.57
  5. Step 5: Solve for x
    x = 40,542,272.57/10,077.56
  6. Step 6: Final answer
    x = 4,023.02

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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.