Home / 12,616.99-18,929.19-3,732.56

Finding the Fourth Proportional to 12,616.99, 18,929.19 and 3,732.56

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Solution

The fourth proportional to 12,616.99, 18,929.19 and 3,732.56 is: 5,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616.99 : 18,929.19 = 3,732.56 : x
  2. Step 2: Convert to fraction form
    12,616.99/18,929.19 = 3,732.56/x
  3. Step 3: Cross multiply
    12,616.99x = 18,929.19 × 3,732.56
  4. Step 4: Simplify right side
    12,616.99x = 70,654,224.12
  5. Step 5: Solve for x
    x = 70,654,224.12/12,616.99
  6. Step 6: Final answer
    x = 5,599.93

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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.