Home / 20,343.56-30,528.70-7,195.43

Finding the Fourth Proportional to 20,343.56, 30,528.70 and 7,195.43

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Solution

The fourth proportional to 20,343.56, 30,528.70 and 7,195.43 is: 10,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,343.56 : 30,528.70 = 7,195.43 : x
  2. Step 2: Convert to fraction form
    20,343.56/30,528.70 = 7,195.43/x
  3. Step 3: Cross multiply
    20,343.56x = 30,528.70 × 7,195.43
  4. Step 4: Simplify right side
    20,343.56x = 219,667,182.17
  5. Step 5: Solve for x
    x = 219,667,182.17/20,343.56
  6. Step 6: Final answer
    x = 10,797.88

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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.