Home / 12,217.98-18,310.77-6,657.06

Finding the Fourth Proportional to 12,217.98, 18,310.77 and 6,657.06

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Solution

The fourth proportional to 12,217.98, 18,310.77 and 6,657.06 is: 9,976.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.98 : 18,310.77 = 6,657.06 : x
  2. Step 2: Convert to fraction form
    12,217.98/18,310.77 = 6,657.06/x
  3. Step 3: Cross multiply
    12,217.98x = 18,310.77 × 6,657.06
  4. Step 4: Simplify right side
    12,217.98x = 121,895,894.54
  5. Step 5: Solve for x
    x = 121,895,894.54/12,217.98
  6. Step 6: Final answer
    x = 9,976.76

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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.