Home / 20,368.26-30,481.92-14,086.10

Finding the Fourth Proportional to 20,368.26, 30,481.92 and 14,086.10

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Solution

The fourth proportional to 20,368.26, 30,481.92 and 14,086.10 is: 21,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368.26 : 30,481.92 = 14,086.10 : x
  2. Step 2: Convert to fraction form
    20,368.26/30,481.92 = 14,086.10/x
  3. Step 3: Cross multiply
    20,368.26x = 30,481.92 × 14,086.10
  4. Step 4: Simplify right side
    20,368.26x = 429,371,449.52
  5. Step 5: Solve for x
    x = 429,371,449.52/20,368.26
  6. Step 6: Final answer
    x = 21,080.42

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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.