Home / 22,548.54-31,111.38-13,601.28

Finding the Fourth Proportional to 22,548.54, 31,111.38 and 13,601.28

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Solution

The fourth proportional to 22,548.54, 31,111.38 and 13,601.28 is: 18,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.54 : 31,111.38 = 13,601.28 : x
  2. Step 2: Convert to fraction form
    22,548.54/31,111.38 = 13,601.28/x
  3. Step 3: Cross multiply
    22,548.54x = 31,111.38 × 13,601.28
  4. Step 4: Simplify right side
    22,548.54x = 423,154,590.57
  5. Step 5: Solve for x
    x = 423,154,590.57/22,548.54
  6. Step 6: Final answer
    x = 18,766.39

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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.