Home / 14,169.64-21,250.14-3,780.04

Finding the Fourth Proportional to 14,169.64, 21,250.14 and 3,780.04

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Solution

The fourth proportional to 14,169.64, 21,250.14 and 3,780.04 is: 5,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.64 : 21,250.14 = 3,780.04 : x
  2. Step 2: Convert to fraction form
    14,169.64/21,250.14 = 3,780.04/x
  3. Step 3: Cross multiply
    14,169.64x = 21,250.14 × 3,780.04
  4. Step 4: Simplify right side
    14,169.64x = 80,326,379.21
  5. Step 5: Solve for x
    x = 80,326,379.21/14,169.64
  6. Step 6: Final answer
    x = 5,668.91

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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.