Home / 13,696-20,552.51-8,769.18

Finding the Fourth Proportional to 13,696, 20,552.51 and 8,769.18

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Solution

The fourth proportional to 13,696, 20,552.51 and 8,769.18 is: 13,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696 : 20,552.51 = 8,769.18 : x
  2. Step 2: Convert to fraction form
    13,696/20,552.51 = 8,769.18/x
  3. Step 3: Cross multiply
    13,696x = 20,552.51 × 8,769.18
  4. Step 4: Simplify right side
    13,696x = 180,228,659.64
  5. Step 5: Solve for x
    x = 180,228,659.64/13,696
  6. Step 6: Final answer
    x = 13,159.22

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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.