Home / 20,343.17-30,514.86-7,195.56

Finding the Fourth Proportional to 20,343.17, 30,514.86 and 7,195.56

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Solution

The fourth proportional to 20,343.17, 30,514.86 and 7,195.56 is: 10,793.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.17 : 30,514.86 = 7,195.56 : x
  2. Step 2: Convert to fraction form
    20,343.17/30,514.86 = 7,195.56/x
  3. Step 3: Cross multiply
    20,343.17x = 30,514.86 × 7,195.56
  4. Step 4: Simplify right side
    20,343.17x = 219,571,506.02
  5. Step 5: Solve for x
    x = 219,571,506.02/20,343.17
  6. Step 6: Final answer
    x = 10,793.38

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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.