Home / 20,543.20-30,796.04-7,392.56

Finding the Fourth Proportional to 20,543.20, 30,796.04 and 7,392.56

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Solution

The fourth proportional to 20,543.20, 30,796.04 and 7,392.56 is: 11,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543.20 : 30,796.04 = 7,392.56 : x
  2. Step 2: Convert to fraction form
    20,543.20/30,796.04 = 7,392.56/x
  3. Step 3: Cross multiply
    20,543.20x = 30,796.04 × 7,392.56
  4. Step 4: Simplify right side
    20,543.20x = 227,661,573.46
  5. Step 5: Solve for x
    x = 227,661,573.46/20,543.20
  6. Step 6: Final answer
    x = 11,082.09

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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.