Home / 16,217.58-22,379.58-9,144.66

Finding the Fourth Proportional to 16,217.58, 22,379.58 and 9,144.66

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Solution

The fourth proportional to 16,217.58, 22,379.58 and 9,144.66 is: 12,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.58 : 22,379.58 = 9,144.66 : x
  2. Step 2: Convert to fraction form
    16,217.58/22,379.58 = 9,144.66/x
  3. Step 3: Cross multiply
    16,217.58x = 22,379.58 × 9,144.66
  4. Step 4: Simplify right side
    16,217.58x = 204,653,650.04
  5. Step 5: Solve for x
    x = 204,653,650.04/16,217.58
  6. Step 6: Final answer
    x = 12,619.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.