Home / 12,550.88-18,822.48-4,228.66

Finding the Fourth Proportional to 12,550.88, 18,822.48 and 4,228.66

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Solution

The fourth proportional to 12,550.88, 18,822.48 and 4,228.66 is: 6,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.88 : 18,822.48 = 4,228.66 : x
  2. Step 2: Convert to fraction form
    12,550.88/18,822.48 = 4,228.66/x
  3. Step 3: Cross multiply
    12,550.88x = 18,822.48 × 4,228.66
  4. Step 4: Simplify right side
    12,550.88x = 79,593,868.28
  5. Step 5: Solve for x
    x = 79,593,868.28/12,550.88
  6. Step 6: Final answer
    x = 6,341.70

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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.