Home / 12,397.22-18,594-4,076.90

Finding the Fourth Proportional to 12,397.22, 18,594 and 4,076.90

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Solution

The fourth proportional to 12,397.22, 18,594 and 4,076.90 is: 6,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.22 : 18,594 = 4,076.90 : x
  2. Step 2: Convert to fraction form
    12,397.22/18,594 = 4,076.90/x
  3. Step 3: Cross multiply
    12,397.22x = 18,594 × 4,076.90
  4. Step 4: Simplify right side
    12,397.22x = 75,805,785.63
  5. Step 5: Solve for x
    x = 75,805,785.63/12,397.22
  6. Step 6: Final answer
    x = 6,114.74

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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.