Home / 12,625.20-18,937.80-5,227.74

Finding the Fourth Proportional to 12,625.20, 18,937.80 and 5,227.74

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Solution

The fourth proportional to 12,625.20, 18,937.80 and 5,227.74 is: 7,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.20 : 18,937.80 = 5,227.74 : x
  2. Step 2: Convert to fraction form
    12,625.20/18,937.80 = 5,227.74/x
  3. Step 3: Cross multiply
    12,625.20x = 18,937.80 × 5,227.74
  4. Step 4: Simplify right side
    12,625.20x = 99,001,894.57
  5. Step 5: Solve for x
    x = 99,001,894.57/12,625.20
  6. Step 6: Final answer
    x = 7,841.61

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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.