Home / 22,504.32-31,045.95-13,067.42

Finding the Fourth Proportional to 22,504.32, 31,045.95 and 13,067.42

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Solution

The fourth proportional to 22,504.32, 31,045.95 and 13,067.42 is: 18,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,504.32 : 31,045.95 = 13,067.42 : x
  2. Step 2: Convert to fraction form
    22,504.32/31,045.95 = 13,067.42/x
  3. Step 3: Cross multiply
    22,504.32x = 31,045.95 × 13,067.42
  4. Step 4: Simplify right side
    22,504.32x = 405,690,312.72
  5. Step 5: Solve for x
    x = 405,690,312.72/22,504.32
  6. Step 6: Final answer
    x = 18,027.22

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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.