Home / 20,189.47-30,285.76-6,150.69

Finding the Fourth Proportional to 20,189.47, 30,285.76 and 6,150.69

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Solution

The fourth proportional to 20,189.47, 30,285.76 and 6,150.69 is: 9,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189.47 : 30,285.76 = 6,150.69 : x
  2. Step 2: Convert to fraction form
    20,189.47/30,285.76 = 6,150.69/x
  3. Step 3: Cross multiply
    20,189.47x = 30,285.76 × 6,150.69
  4. Step 4: Simplify right side
    20,189.47x = 186,278,321.17
  5. Step 5: Solve for x
    x = 186,278,321.17/20,189.47
  6. Step 6: Final answer
    x = 9,226.51

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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.