Home / 22,005.91-30,365.24-12,447.10

Finding the Fourth Proportional to 22,005.91, 30,365.24 and 12,447.10

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Solution

The fourth proportional to 22,005.91, 30,365.24 and 12,447.10 is: 17,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.91 : 30,365.24 = 12,447.10 : x
  2. Step 2: Convert to fraction form
    22,005.91/30,365.24 = 12,447.10/x
  3. Step 3: Cross multiply
    22,005.91x = 30,365.24 × 12,447.10
  4. Step 4: Simplify right side
    22,005.91x = 377,959,040.66
  5. Step 5: Solve for x
    x = 377,959,040.66/22,005.91
  6. Step 6: Final answer
    x = 17,175.34

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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.