Home / 20,141.61-27,795.33-12,181.52

Finding the Fourth Proportional to 20,141.61, 27,795.33 and 12,181.52

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Solution

The fourth proportional to 20,141.61, 27,795.33 and 12,181.52 is: 16,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141.61 : 27,795.33 = 12,181.52 : x
  2. Step 2: Convert to fraction form
    20,141.61/27,795.33 = 12,181.52/x
  3. Step 3: Cross multiply
    20,141.61x = 27,795.33 × 12,181.52
  4. Step 4: Simplify right side
    20,141.61x = 338,589,229.32
  5. Step 5: Solve for x
    x = 338,589,229.32/20,141.61
  6. Step 6: Final answer
    x = 16,810.44

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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.