Home / 14,167.14-21,250.77-3,778.89

Finding the Fourth Proportional to 14,167.14, 21,250.77 and 3,778.89

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Solution

The fourth proportional to 14,167.14, 21,250.77 and 3,778.89 is: 5,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.14 : 21,250.77 = 3,778.89 : x
  2. Step 2: Convert to fraction form
    14,167.14/21,250.77 = 3,778.89/x
  3. Step 3: Cross multiply
    14,167.14x = 21,250.77 × 3,778.89
  4. Step 4: Simplify right side
    14,167.14x = 80,304,322.25
  5. Step 5: Solve for x
    x = 80,304,322.25/14,167.14
  6. Step 6: Final answer
    x = 5,668.35

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1.5x scale

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.