Home / 22,666.31-31,270.55-13,104.44

Finding the Fourth Proportional to 22,666.31, 31,270.55 and 13,104.44

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Solution

The fourth proportional to 22,666.31, 31,270.55 and 13,104.44 is: 18,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,666.31 : 31,270.55 = 13,104.44 : x
  2. Step 2: Convert to fraction form
    22,666.31/31,270.55 = 13,104.44/x
  3. Step 3: Cross multiply
    22,666.31x = 31,270.55 × 13,104.44
  4. Step 4: Simplify right side
    22,666.31x = 409,782,824.37
  5. Step 5: Solve for x
    x = 409,782,824.37/22,666.31
  6. Step 6: Final answer
    x = 18,078.94

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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.