Home / 22,170.21-33,263.19-13,840.61

Finding the Fourth Proportional to 22,170.21, 33,263.19 and 13,840.61

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Solution

The fourth proportional to 22,170.21, 33,263.19 and 13,840.61 is: 20,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.21 : 33,263.19 = 13,840.61 : x
  2. Step 2: Convert to fraction form
    22,170.21/33,263.19 = 13,840.61/x
  3. Step 3: Cross multiply
    22,170.21x = 33,263.19 × 13,840.61
  4. Step 4: Simplify right side
    22,170.21x = 460,382,673.83
  5. Step 5: Solve for x
    x = 460,382,673.83/22,170.21
  6. Step 6: Final answer
    x = 20,765.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.