Home / 12,488.13-18,732.19-3,254.13

Finding the Fourth Proportional to 12,488.13, 18,732.19 and 3,254.13

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Solution

The fourth proportional to 12,488.13, 18,732.19 and 3,254.13 is: 4,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.13 : 18,732.19 = 3,254.13 : x
  2. Step 2: Convert to fraction form
    12,488.13/18,732.19 = 3,254.13/x
  3. Step 3: Cross multiply
    12,488.13x = 18,732.19 × 3,254.13
  4. Step 4: Simplify right side
    12,488.13x = 60,956,981.44
  5. Step 5: Solve for x
    x = 60,956,981.44/12,488.13
  6. Step 6: Final answer
    x = 4,881.19

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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.