Home / 12,044.86-18,043.91-8,876.55

Finding the Fourth Proportional to 12,044.86, 18,043.91 and 8,876.55

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Solution

The fourth proportional to 12,044.86, 18,043.91 and 8,876.55 is: 13,297.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.86 : 18,043.91 = 8,876.55 : x
  2. Step 2: Convert to fraction form
    12,044.86/18,043.91 = 8,876.55/x
  3. Step 3: Cross multiply
    12,044.86x = 18,043.91 × 8,876.55
  4. Step 4: Simplify right side
    12,044.86x = 160,167,579.09
  5. Step 5: Solve for x
    x = 160,167,579.09/12,044.86
  6. Step 6: Final answer
    x = 13,297.59

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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.