Home / 22,091.35-30,486.20-12,019.87

Finding the Fourth Proportional to 22,091.35, 30,486.20 and 12,019.87

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Solution

The fourth proportional to 22,091.35, 30,486.20 and 12,019.87 is: 16,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,091.35 : 30,486.20 = 12,019.87 : x
  2. Step 2: Convert to fraction form
    22,091.35/30,486.20 = 12,019.87/x
  3. Step 3: Cross multiply
    22,091.35x = 30,486.20 × 12,019.87
  4. Step 4: Simplify right side
    22,091.35x = 366,439,948.26
  5. Step 5: Solve for x
    x = 366,439,948.26/22,091.35
  6. Step 6: Final answer
    x = 16,587.49

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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.