Home / 13,744.49-18,967.86-8,079.16

Finding the Fourth Proportional to 13,744.49, 18,967.86 and 8,079.16

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Solution

The fourth proportional to 13,744.49, 18,967.86 and 8,079.16 is: 11,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.49 : 18,967.86 = 8,079.16 : x
  2. Step 2: Convert to fraction form
    13,744.49/18,967.86 = 8,079.16/x
  3. Step 3: Cross multiply
    13,744.49x = 18,967.86 × 8,079.16
  4. Step 4: Simplify right side
    13,744.49x = 153,244,280.96
  5. Step 5: Solve for x
    x = 153,244,280.96/13,744.49
  6. Step 6: Final answer
    x = 11,149.51

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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.