Home / 16,120.44-22,246.11-9,405.54

Finding the Fourth Proportional to 16,120.44, 22,246.11 and 9,405.54

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Solution

The fourth proportional to 16,120.44, 22,246.11 and 9,405.54 is: 12,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,120.44 : 22,246.11 = 9,405.54 : x
  2. Step 2: Convert to fraction form
    16,120.44/22,246.11 = 9,405.54/x
  3. Step 3: Cross multiply
    16,120.44x = 22,246.11 × 9,405.54
  4. Step 4: Simplify right side
    16,120.44x = 209,236,677.45
  5. Step 5: Solve for x
    x = 209,236,677.45/16,120.44
  6. Step 6: Final answer
    x = 12,979.59

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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.