Home / 10,648.12-15,973.34-4,079.88

Finding the Fourth Proportional to 10,648.12, 15,973.34 and 4,079.88

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Solution

The fourth proportional to 10,648.12, 15,973.34 and 4,079.88 is: 6,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.12 : 15,973.34 = 4,079.88 : x
  2. Step 2: Convert to fraction form
    10,648.12/15,973.34 = 4,079.88/x
  3. Step 3: Cross multiply
    10,648.12x = 15,973.34 × 4,079.88
  4. Step 4: Simplify right side
    10,648.12x = 65,169,310.40
  5. Step 5: Solve for x
    x = 65,169,310.40/10,648.12
  6. Step 6: Final answer
    x = 6,120.26

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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.