Home / 13,320-18,376.92-8,845.92

Finding the Fourth Proportional to 13,320, 18,376.92 and 8,845.92

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Solution

The fourth proportional to 13,320, 18,376.92 and 8,845.92 is: 12,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320 : 18,376.92 = 8,845.92 : x
  2. Step 2: Convert to fraction form
    13,320/18,376.92 = 8,845.92/x
  3. Step 3: Cross multiply
    13,320x = 18,376.92 × 8,845.92
  4. Step 4: Simplify right side
    13,320x = 162,560,764.17
  5. Step 5: Solve for x
    x = 162,560,764.17/13,320
  6. Step 6: Final answer
    x = 12,204.26

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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.