Home / 14,110.22-21,160.43-5,787.88

Finding the Fourth Proportional to 14,110.22, 21,160.43 and 5,787.88

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Solution

The fourth proportional to 14,110.22, 21,160.43 and 5,787.88 is: 8,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.22 : 21,160.43 = 5,787.88 : x
  2. Step 2: Convert to fraction form
    14,110.22/21,160.43 = 5,787.88/x
  3. Step 3: Cross multiply
    14,110.22x = 21,160.43 × 5,787.88
  4. Step 4: Simplify right side
    14,110.22x = 122,473,894.85
  5. Step 5: Solve for x
    x = 122,473,894.85/14,110.22
  6. Step 6: Final answer
    x = 8,679.80

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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.