Home / 20,155.73-30,230.14-5,366.14

Finding the Fourth Proportional to 20,155.73, 30,230.14 and 5,366.14

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Solution

The fourth proportional to 20,155.73, 30,230.14 and 5,366.14 is: 8,048.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155.73 : 30,230.14 = 5,366.14 : x
  2. Step 2: Convert to fraction form
    20,155.73/30,230.14 = 5,366.14/x
  3. Step 3: Cross multiply
    20,155.73x = 30,230.14 × 5,366.14
  4. Step 4: Simplify right side
    20,155.73x = 162,219,163.46
  5. Step 5: Solve for x
    x = 162,219,163.46/20,155.73
  6. Step 6: Final answer
    x = 8,048.29

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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.