Home / 12,422.38-18,620.60-5,023.84

Finding the Fourth Proportional to 12,422.38, 18,620.60 and 5,023.84

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Solution

The fourth proportional to 12,422.38, 18,620.60 and 5,023.84 is: 7,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422.38 : 18,620.60 = 5,023.84 : x
  2. Step 2: Convert to fraction form
    12,422.38/18,620.60 = 5,023.84/x
  3. Step 3: Cross multiply
    12,422.38x = 18,620.60 × 5,023.84
  4. Step 4: Simplify right side
    12,422.38x = 93,546,915.10
  5. Step 5: Solve for x
    x = 93,546,915.10/12,422.38
  6. Step 6: Final answer
    x = 7,530.51

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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.