Home / 12,522.17-18,784.66-4,202.76

Finding the Fourth Proportional to 12,522.17, 18,784.66 and 4,202.76

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Solution

The fourth proportional to 12,522.17, 18,784.66 and 4,202.76 is: 6,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.17 : 18,784.66 = 4,202.76 : x
  2. Step 2: Convert to fraction form
    12,522.17/18,784.66 = 4,202.76/x
  3. Step 3: Cross multiply
    12,522.17x = 18,784.66 × 4,202.76
  4. Step 4: Simplify right side
    12,522.17x = 78,947,432.65
  5. Step 5: Solve for x
    x = 78,947,432.65/12,522.17
  6. Step 6: Final answer
    x = 6,304.61

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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.