Home / 12,463.19-18,691.59-3,696.05

Finding the Fourth Proportional to 12,463.19, 18,691.59 and 3,696.05

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Solution

The fourth proportional to 12,463.19, 18,691.59 and 3,696.05 is: 5,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.19 : 18,691.59 = 3,696.05 : x
  2. Step 2: Convert to fraction form
    12,463.19/18,691.59 = 3,696.05/x
  3. Step 3: Cross multiply
    12,463.19x = 18,691.59 × 3,696.05
  4. Step 4: Simplify right side
    12,463.19x = 69,084,957.76
  5. Step 5: Solve for x
    x = 69,084,957.76/12,463.19
  6. Step 6: Final answer
    x = 5,543.12

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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.