Home / 20,517.32-30,765.02-10,632.08

Finding the Fourth Proportional to 20,517.32, 30,765.02 and 10,632.08

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Solution

The fourth proportional to 20,517.32, 30,765.02 and 10,632.08 is: 15,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,517.32 : 30,765.02 = 10,632.08 : x
  2. Step 2: Convert to fraction form
    20,517.32/30,765.02 = 10,632.08/x
  3. Step 3: Cross multiply
    20,517.32x = 30,765.02 × 10,632.08
  4. Step 4: Simplify right side
    20,517.32x = 327,096,153.84
  5. Step 5: Solve for x
    x = 327,096,153.84/20,517.32
  6. Step 6: Final answer
    x = 15,942.44

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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.