Home / 13,044.85-17,997.19-7,739.55

Finding the Fourth Proportional to 13,044.85, 17,997.19 and 7,739.55

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Solution

The fourth proportional to 13,044.85, 17,997.19 and 7,739.55 is: 10,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.85 : 17,997.19 = 7,739.55 : x
  2. Step 2: Convert to fraction form
    13,044.85/17,997.19 = 7,739.55/x
  3. Step 3: Cross multiply
    13,044.85x = 17,997.19 × 7,739.55
  4. Step 4: Simplify right side
    13,044.85x = 139,290,132.52
  5. Step 5: Solve for x
    x = 139,290,132.52/13,044.85
  6. Step 6: Final answer
    x = 10,677.79

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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.