Home / 20,203.47-30,306.78-6,164.73

Finding the Fourth Proportional to 20,203.47, 30,306.78 and 6,164.73

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Solution

The fourth proportional to 20,203.47, 30,306.78 and 6,164.73 is: 9,247.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.47 : 30,306.78 = 6,164.73 : x
  2. Step 2: Convert to fraction form
    20,203.47/30,306.78 = 6,164.73/x
  3. Step 3: Cross multiply
    20,203.47x = 30,306.78 × 6,164.73
  4. Step 4: Simplify right side
    20,203.47x = 186,833,115.87
  5. Step 5: Solve for x
    x = 186,833,115.87/20,203.47
  6. Step 6: Final answer
    x = 9,247.58

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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.