Home / 13,691.73-20,537.79-4,806.71

Finding the Fourth Proportional to 13,691.73, 20,537.79 and 4,806.71

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Solution

The fourth proportional to 13,691.73, 20,537.79 and 4,806.71 is: 7,210.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,691.73 : 20,537.79 = 4,806.71 : x
  2. Step 2: Convert to fraction form
    13,691.73/20,537.79 = 4,806.71/x
  3. Step 3: Cross multiply
    13,691.73x = 20,537.79 × 4,806.71
  4. Step 4: Simplify right side
    13,691.73x = 98,719,156.87
  5. Step 5: Solve for x
    x = 98,719,156.87/13,691.73
  6. Step 6: Final answer
    x = 7,210.13

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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.