Home / 22,922.63-31,633.31-13,369.11

Finding the Fourth Proportional to 22,922.63, 31,633.31 and 13,369.11

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Solution

The fourth proportional to 22,922.63, 31,633.31 and 13,369.11 is: 18,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,922.63 : 31,633.31 = 13,369.11 : x
  2. Step 2: Convert to fraction form
    22,922.63/31,633.31 = 13,369.11/x
  3. Step 3: Cross multiply
    22,922.63x = 31,633.31 × 13,369.11
  4. Step 4: Simplify right side
    22,922.63x = 422,909,201.05
  5. Step 5: Solve for x
    x = 422,909,201.05/22,922.63
  6. Step 6: Final answer
    x = 18,449.42

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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.