Home / 20,082.89-30,104.51-9,534.39

Finding the Fourth Proportional to 20,082.89, 30,104.51 and 9,534.39

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Solution

The fourth proportional to 20,082.89, 30,104.51 and 9,534.39 is: 14,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.89 : 30,104.51 = 9,534.39 : x
  2. Step 2: Convert to fraction form
    20,082.89/30,104.51 = 9,534.39/x
  3. Step 3: Cross multiply
    20,082.89x = 30,104.51 × 9,534.39
  4. Step 4: Simplify right side
    20,082.89x = 287,028,091.43
  5. Step 5: Solve for x
    x = 287,028,091.43/20,082.89
  6. Step 6: Final answer
    x = 14,292.17

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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.