Home / 22,110.35-30,512.39-12,038.99

Finding the Fourth Proportional to 22,110.35, 30,512.39 and 12,038.99

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Solution

The fourth proportional to 22,110.35, 30,512.39 and 12,038.99 is: 16,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,110.35 : 30,512.39 = 12,038.99 : x
  2. Step 2: Convert to fraction form
    22,110.35/30,512.39 = 12,038.99/x
  3. Step 3: Cross multiply
    22,110.35x = 30,512.39 × 12,038.99
  4. Step 4: Simplify right side
    22,110.35x = 367,338,145.33
  5. Step 5: Solve for x
    x = 367,338,145.33/22,110.35
  6. Step 6: Final answer
    x = 16,613.86

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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.