Home / 14,126.60-21,190.71-4,266.88

Finding the Fourth Proportional to 14,126.60, 21,190.71 and 4,266.88

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Solution

The fourth proportional to 14,126.60, 21,190.71 and 4,266.88 is: 6,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.60 : 21,190.71 = 4,266.88 : x
  2. Step 2: Convert to fraction form
    14,126.60/21,190.71 = 4,266.88/x
  3. Step 3: Cross multiply
    14,126.60x = 21,190.71 × 4,266.88
  4. Step 4: Simplify right side
    14,126.60x = 90,418,110.73
  5. Step 5: Solve for x
    x = 90,418,110.73/14,126.60
  6. Step 6: Final answer
    x = 6,400.56

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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.