Home / 20,236.77-30,355.16-7,092.90

Finding the Fourth Proportional to 20,236.77, 30,355.16 and 7,092.90

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Solution

The fourth proportional to 20,236.77, 30,355.16 and 7,092.90 is: 10,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.77 : 30,355.16 = 7,092.90 : x
  2. Step 2: Convert to fraction form
    20,236.77/30,355.16 = 7,092.90/x
  3. Step 3: Cross multiply
    20,236.77x = 30,355.16 × 7,092.90
  4. Step 4: Simplify right side
    20,236.77x = 215,306,078.90
  5. Step 5: Solve for x
    x = 215,306,078.90/20,236.77
  6. Step 6: Final answer
    x = 10,639.35

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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.