Home / 22,158.11-33,228.60-8,647.61

Finding the Fourth Proportional to 22,158.11, 33,228.60 and 8,647.61

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Solution

The fourth proportional to 22,158.11, 33,228.60 and 8,647.61 is: 12,968.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,158.11 : 33,228.60 = 8,647.61 : x
  2. Step 2: Convert to fraction form
    22,158.11/33,228.60 = 8,647.61/x
  3. Step 3: Cross multiply
    22,158.11x = 33,228.60 × 8,647.61
  4. Step 4: Simplify right side
    22,158.11x = 287,347,973.65
  5. Step 5: Solve for x
    x = 287,347,973.65/22,158.11
  6. Step 6: Final answer
    x = 12,968.07

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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.