Home / 14,186.70-21,279.50-4,326.02

Finding the Fourth Proportional to 14,186.70, 21,279.50 and 4,326.02

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Solution

The fourth proportional to 14,186.70, 21,279.50 and 4,326.02 is: 6,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.70 : 21,279.50 = 4,326.02 : x
  2. Step 2: Convert to fraction form
    14,186.70/21,279.50 = 4,326.02/x
  3. Step 3: Cross multiply
    14,186.70x = 21,279.50 × 4,326.02
  4. Step 4: Simplify right side
    14,186.70x = 92,055,542.59
  5. Step 5: Solve for x
    x = 92,055,542.59/14,186.70
  6. Step 6: Final answer
    x = 6,488.86

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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.