Home / 20,087.64-30,132.99-6,760.69

Finding the Fourth Proportional to 20,087.64, 30,132.99 and 6,760.69

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Solution

The fourth proportional to 20,087.64, 30,132.99 and 6,760.69 is: 10,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087.64 : 30,132.99 = 6,760.69 : x
  2. Step 2: Convert to fraction form
    20,087.64/30,132.99 = 6,760.69/x
  3. Step 3: Cross multiply
    20,087.64x = 30,132.99 × 6,760.69
  4. Step 4: Simplify right side
    20,087.64x = 203,719,804.16
  5. Step 5: Solve for x
    x = 203,719,804.16/20,087.64
  6. Step 6: Final answer
    x = 10,141.55

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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.