Home / 16,219.96-22,383.12-9,146.23

Finding the Fourth Proportional to 16,219.96, 22,383.12 and 9,146.23

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Solution

The fourth proportional to 16,219.96, 22,383.12 and 9,146.23 is: 12,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.96 : 22,383.12 = 9,146.23 : x
  2. Step 2: Convert to fraction form
    16,219.96/22,383.12 = 9,146.23/x
  3. Step 3: Cross multiply
    16,219.96x = 22,383.12 × 9,146.23
  4. Step 4: Simplify right side
    16,219.96x = 204,721,163.64
  5. Step 5: Solve for x
    x = 204,721,163.64/16,219.96
  6. Step 6: Final answer
    x = 12,621.56

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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.