Home / 22,086.09-30,479.33-12,015.09

Finding the Fourth Proportional to 22,086.09, 30,479.33 and 12,015.09

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Solution

The fourth proportional to 22,086.09, 30,479.33 and 12,015.09 is: 16,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,086.09 : 30,479.33 = 12,015.09 : x
  2. Step 2: Convert to fraction form
    22,086.09/30,479.33 = 12,015.09/x
  3. Step 3: Cross multiply
    22,086.09x = 30,479.33 × 12,015.09
  4. Step 4: Simplify right side
    22,086.09x = 366,211,923.13
  5. Step 5: Solve for x
    x = 366,211,923.13/22,086.09
  6. Step 6: Final answer
    x = 16,581.11

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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.