Home / 12,351.26-18,520.88-6,109.26

Finding the Fourth Proportional to 12,351.26, 18,520.88 and 6,109.26

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Solution

The fourth proportional to 12,351.26, 18,520.88 and 6,109.26 is: 9,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.26 : 18,520.88 = 6,109.26 : x
  2. Step 2: Convert to fraction form
    12,351.26/18,520.88 = 6,109.26/x
  3. Step 3: Cross multiply
    12,351.26x = 18,520.88 × 6,109.26
  4. Step 4: Simplify right side
    12,351.26x = 113,148,840.80
  5. Step 5: Solve for x
    x = 113,148,840.80/12,351.26
  6. Step 6: Final answer
    x = 9,160.92

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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.