Home / 15,467.06-21,343.13-8,751.61

Finding the Fourth Proportional to 15,467.06, 21,343.13 and 8,751.61

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Solution

The fourth proportional to 15,467.06, 21,343.13 and 8,751.61 is: 12,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.06 : 21,343.13 = 8,751.61 : x
  2. Step 2: Convert to fraction form
    15,467.06/21,343.13 = 8,751.61/x
  3. Step 3: Cross multiply
    15,467.06x = 21,343.13 × 8,751.61
  4. Step 4: Simplify right side
    15,467.06x = 186,786,657.18
  5. Step 5: Solve for x
    x = 186,786,657.18/15,467.06
  6. Step 6: Final answer
    x = 12,076.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.