Home / 12,756.15-17,493.66-12,223.98

Finding the Fourth Proportional to 12,756.15, 17,493.66 and 12,223.98

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Solution

The fourth proportional to 12,756.15, 17,493.66 and 12,223.98 is: 16,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.15 : 17,493.66 = 12,223.98 : x
  2. Step 2: Convert to fraction form
    12,756.15/17,493.66 = 12,223.98/x
  3. Step 3: Cross multiply
    12,756.15x = 17,493.66 × 12,223.98
  4. Step 4: Simplify right side
    12,756.15x = 213,842,149.97
  5. Step 5: Solve for x
    x = 213,842,149.97/12,756.15
  6. Step 6: Final answer
    x = 16,763.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.