Home / 15,363.37-21,201.19-8,648.97

Finding the Fourth Proportional to 15,363.37, 21,201.19 and 8,648.97

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Solution

The fourth proportional to 15,363.37, 21,201.19 and 8,648.97 is: 11,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.37 : 21,201.19 = 8,648.97 : x
  2. Step 2: Convert to fraction form
    15,363.37/21,201.19 = 8,648.97/x
  3. Step 3: Cross multiply
    15,363.37x = 21,201.19 × 8,648.97
  4. Step 4: Simplify right side
    15,363.37x = 183,368,456.27
  5. Step 5: Solve for x
    x = 183,368,456.27/15,363.37
  6. Step 6: Final answer
    x = 11,935.43

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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.