Home / 20,576.14-30,859.35-9,475.90

Finding the Fourth Proportional to 20,576.14, 30,859.35 and 9,475.90

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Solution

The fourth proportional to 20,576.14, 30,859.35 and 9,475.90 is: 14,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.14 : 30,859.35 = 9,475.90 : x
  2. Step 2: Convert to fraction form
    20,576.14/30,859.35 = 9,475.90/x
  3. Step 3: Cross multiply
    20,576.14x = 30,859.35 × 9,475.90
  4. Step 4: Simplify right side
    20,576.14x = 292,420,114.67
  5. Step 5: Solve for x
    x = 292,420,114.67/20,576.14
  6. Step 6: Final answer
    x = 14,211.61

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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.