Home / 12,044.60-18,066.80-3,279.50

Finding the Fourth Proportional to 12,044.60, 18,066.80 and 3,279.50

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Solution

The fourth proportional to 12,044.60, 18,066.80 and 3,279.50 is: 4,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.60 : 18,066.80 = 3,279.50 : x
  2. Step 2: Convert to fraction form
    12,044.60/18,066.80 = 3,279.50/x
  3. Step 3: Cross multiply
    12,044.60x = 18,066.80 × 3,279.50
  4. Step 4: Simplify right side
    12,044.60x = 59,250,070.60
  5. Step 5: Solve for x
    x = 59,250,070.60/12,044.60
  6. Step 6: Final answer
    x = 4,919.22

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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.