Home / 15,939.64-21,994.22-8,866.04

Finding the Fourth Proportional to 15,939.64, 21,994.22 and 8,866.04

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Solution

The fourth proportional to 15,939.64, 21,994.22 and 8,866.04 is: 12,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.64 : 21,994.22 = 8,866.04 : x
  2. Step 2: Convert to fraction form
    15,939.64/21,994.22 = 8,866.04/x
  3. Step 3: Cross multiply
    15,939.64x = 21,994.22 × 8,866.04
  4. Step 4: Simplify right side
    15,939.64x = 195,001,634.29
  5. Step 5: Solve for x
    x = 195,001,634.29/15,939.64
  6. Step 6: Final answer
    x = 12,233.75

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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.