Home / 20,084.46-30,145.37-10,231.13

Finding the Fourth Proportional to 20,084.46, 30,145.37 and 10,231.13

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Solution

The fourth proportional to 20,084.46, 30,145.37 and 10,231.13 is: 15,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.46 : 30,145.37 = 10,231.13 : x
  2. Step 2: Convert to fraction form
    20,084.46/30,145.37 = 10,231.13/x
  3. Step 3: Cross multiply
    20,084.46x = 30,145.37 × 10,231.13
  4. Step 4: Simplify right side
    20,084.46x = 308,420,997.49
  5. Step 5: Solve for x
    x = 308,420,997.49/20,084.46
  6. Step 6: Final answer
    x = 15,356.20

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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.