Home / 20,516.22-30,747.60-9,263.19

Finding the Fourth Proportional to 20,516.22, 30,747.60 and 9,263.19

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Solution

The fourth proportional to 20,516.22, 30,747.60 and 9,263.19 is: 13,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516.22 : 30,747.60 = 9,263.19 : x
  2. Step 2: Convert to fraction form
    20,516.22/30,747.60 = 9,263.19/x
  3. Step 3: Cross multiply
    20,516.22x = 30,747.60 × 9,263.19
  4. Step 4: Simplify right side
    20,516.22x = 284,820,976.15
  5. Step 5: Solve for x
    x = 284,820,976.15/20,516.22
  6. Step 6: Final answer
    x = 13,882.72

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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.