Home / 20,063.08-30,103.28-9,540.57

Finding the Fourth Proportional to 20,063.08, 30,103.28 and 9,540.57

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Solution

The fourth proportional to 20,063.08, 30,103.28 and 9,540.57 is: 14,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.08 : 30,103.28 = 9,540.57 : x
  2. Step 2: Convert to fraction form
    20,063.08/30,103.28 = 9,540.57/x
  3. Step 3: Cross multiply
    20,063.08x = 30,103.28 × 9,540.57
  4. Step 4: Simplify right side
    20,063.08x = 287,202,450.07
  5. Step 5: Solve for x
    x = 287,202,450.07/20,063.08
  6. Step 6: Final answer
    x = 14,314.97

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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.