Home / 22,060.36-30,443.19-11,988.61

Finding the Fourth Proportional to 22,060.36, 30,443.19 and 11,988.61

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Solution

The fourth proportional to 22,060.36, 30,443.19 and 11,988.61 is: 16,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,060.36 : 30,443.19 = 11,988.61 : x
  2. Step 2: Convert to fraction form
    22,060.36/30,443.19 = 11,988.61/x
  3. Step 3: Cross multiply
    22,060.36x = 30,443.19 × 11,988.61
  4. Step 4: Simplify right side
    22,060.36x = 364,971,379.85
  5. Step 5: Solve for x
    x = 364,971,379.85/22,060.36
  6. Step 6: Final answer
    x = 16,544.22

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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.