Home / 22,930.54-31,649.77-13,982.97

Finding the Fourth Proportional to 22,930.54, 31,649.77 and 13,982.97

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Solution

The fourth proportional to 22,930.54, 31,649.77 and 13,982.97 is: 19,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.54 : 31,649.77 = 13,982.97 : x
  2. Step 2: Convert to fraction form
    22,930.54/31,649.77 = 13,982.97/x
  3. Step 3: Cross multiply
    22,930.54x = 31,649.77 × 13,982.97
  4. Step 4: Simplify right side
    22,930.54x = 442,557,784.42
  5. Step 5: Solve for x
    x = 442,557,784.42/22,930.54
  6. Step 6: Final answer
    x = 19,299.93

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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.