Home / 14,191.80-21,288.66-4,331.88

Finding the Fourth Proportional to 14,191.80, 21,288.66 and 4,331.88

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Solution

The fourth proportional to 14,191.80, 21,288.66 and 4,331.88 is: 6,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.80 : 21,288.66 = 4,331.88 : x
  2. Step 2: Convert to fraction form
    14,191.80/21,288.66 = 4,331.88/x
  3. Step 3: Cross multiply
    14,191.80x = 21,288.66 × 4,331.88
  4. Step 4: Simplify right side
    14,191.80x = 92,219,920.48
  5. Step 5: Solve for x
    x = 92,219,920.48/14,191.80
  6. Step 6: Final answer
    x = 6,498.11

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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.