Home / 12,506.43-18,781.13-11,104.01

Finding the Fourth Proportional to 12,506.43, 18,781.13 and 11,104.01

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Solution

The fourth proportional to 12,506.43, 18,781.13 and 11,104.01 is: 16,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.43 : 18,781.13 = 11,104.01 : x
  2. Step 2: Convert to fraction form
    12,506.43/18,781.13 = 11,104.01/x
  3. Step 3: Cross multiply
    12,506.43x = 18,781.13 × 11,104.01
  4. Step 4: Simplify right side
    12,506.43x = 208,545,789.19
  5. Step 5: Solve for x
    x = 208,545,789.19/12,506.43
  6. Step 6: Final answer
    x = 16,675.09

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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.