Home / 20,348.23-30,523.20-7,201.93

Finding the Fourth Proportional to 20,348.23, 30,523.20 and 7,201.93

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Solution

The fourth proportional to 20,348.23, 30,523.20 and 7,201.93 is: 10,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.23 : 30,523.20 = 7,201.93 : x
  2. Step 2: Convert to fraction form
    20,348.23/30,523.20 = 7,201.93/x
  3. Step 3: Cross multiply
    20,348.23x = 30,523.20 × 7,201.93
  4. Step 4: Simplify right side
    20,348.23x = 219,825,949.78
  5. Step 5: Solve for x
    x = 219,825,949.78/20,348.23
  6. Step 6: Final answer
    x = 10,803.20

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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.