Home / 20,227.46-30,358.20-10,376.24

Finding the Fourth Proportional to 20,227.46, 30,358.20 and 10,376.24

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Solution

The fourth proportional to 20,227.46, 30,358.20 and 10,376.24 is: 15,573.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.46 : 30,358.20 = 10,376.24 : x
  2. Step 2: Convert to fraction form
    20,227.46/30,358.20 = 10,376.24/x
  3. Step 3: Cross multiply
    20,227.46x = 30,358.20 × 10,376.24
  4. Step 4: Simplify right side
    20,227.46x = 315,003,969.17
  5. Step 5: Solve for x
    x = 315,003,969.17/20,227.46
  6. Step 6: Final answer
    x = 15,573.09

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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.