Home / 14,279.40-21,425.20-5,961.26

Finding the Fourth Proportional to 14,279.40, 21,425.20 and 5,961.26

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Solution

The fourth proportional to 14,279.40, 21,425.20 and 5,961.26 is: 8,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.40 : 21,425.20 = 5,961.26 : x
  2. Step 2: Convert to fraction form
    14,279.40/21,425.20 = 5,961.26/x
  3. Step 3: Cross multiply
    14,279.40x = 21,425.20 × 5,961.26
  4. Step 4: Simplify right side
    14,279.40x = 127,721,187.75
  5. Step 5: Solve for x
    x = 127,721,187.75/14,279.40
  6. Step 6: Final answer
    x = 8,944.44

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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.