Home / 20,227.29-30,341.18-7,748.06

Finding the Fourth Proportional to 20,227.29, 30,341.18 and 7,748.06

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Solution

The fourth proportional to 20,227.29, 30,341.18 and 7,748.06 is: 11,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.29 : 30,341.18 = 7,748.06 : x
  2. Step 2: Convert to fraction form
    20,227.29/30,341.18 = 7,748.06/x
  3. Step 3: Cross multiply
    20,227.29x = 30,341.18 × 7,748.06
  4. Step 4: Simplify right side
    20,227.29x = 235,085,278.78
  5. Step 5: Solve for x
    x = 235,085,278.78/20,227.29
  6. Step 6: Final answer
    x = 11,622.19

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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.