Home / 20,527.12-30,787.44-6,097.78

Finding the Fourth Proportional to 20,527.12, 30,787.44 and 6,097.78

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Solution

The fourth proportional to 20,527.12, 30,787.44 and 6,097.78 is: 9,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.12 : 30,787.44 = 6,097.78 : x
  2. Step 2: Convert to fraction form
    20,527.12/30,787.44 = 6,097.78/x
  3. Step 3: Cross multiply
    20,527.12x = 30,787.44 × 6,097.78
  4. Step 4: Simplify right side
    20,527.12x = 187,735,035.88
  5. Step 5: Solve for x
    x = 187,735,035.88/20,527.12
  6. Step 6: Final answer
    x = 9,145.71

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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.