Home / 14,566.82-20,102.10-8,279.20

Finding the Fourth Proportional to 14,566.82, 20,102.10 and 8,279.20

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Solution

The fourth proportional to 14,566.82, 20,102.10 and 8,279.20 is: 11,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,566.82 : 20,102.10 = 8,279.20 : x
  2. Step 2: Convert to fraction form
    14,566.82/20,102.10 = 8,279.20/x
  3. Step 3: Cross multiply
    14,566.82x = 20,102.10 × 8,279.20
  4. Step 4: Simplify right side
    14,566.82x = 166,429,202.85
  5. Step 5: Solve for x
    x = 166,429,202.85/14,566.82
  6. Step 6: Final answer
    x = 11,425.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.