Home / 12,506.07-18,738.28-8,800.52

Finding the Fourth Proportional to 12,506.07, 18,738.28 and 8,800.52

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Solution

The fourth proportional to 12,506.07, 18,738.28 and 8,800.52 is: 13,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.07 : 18,738.28 = 8,800.52 : x
  2. Step 2: Convert to fraction form
    12,506.07/18,738.28 = 8,800.52/x
  3. Step 3: Cross multiply
    12,506.07x = 18,738.28 × 8,800.52
  4. Step 4: Simplify right side
    12,506.07x = 164,906,514.21
  5. Step 5: Solve for x
    x = 164,906,514.21/12,506.07
  6. Step 6: Final answer
    x = 13,186.12

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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.