Home / 22,110.68-30,512.64-12,550.66

Finding the Fourth Proportional to 22,110.68, 30,512.64 and 12,550.66

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Solution

The fourth proportional to 22,110.68, 30,512.64 and 12,550.66 is: 17,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.68 : 30,512.64 = 12,550.66 : x
  2. Step 2: Convert to fraction form
    22,110.68/30,512.64 = 12,550.66/x
  3. Step 3: Cross multiply
    22,110.68x = 30,512.64 × 12,550.66
  4. Step 4: Simplify right side
    22,110.68x = 382,953,770.34
  5. Step 5: Solve for x
    x = 382,953,770.34/22,110.68
  6. Step 6: Final answer
    x = 17,319.85

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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.