Home / 15,935.73-21,991.26-8,862.13

Finding the Fourth Proportional to 15,935.73, 21,991.26 and 8,862.13

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Solution

The fourth proportional to 15,935.73, 21,991.26 and 8,862.13 is: 12,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.73 : 21,991.26 = 8,862.13 : x
  2. Step 2: Convert to fraction form
    15,935.73/21,991.26 = 8,862.13/x
  3. Step 3: Cross multiply
    15,935.73x = 21,991.26 × 8,862.13
  4. Step 4: Simplify right side
    15,935.73x = 194,889,404.98
  5. Step 5: Solve for x
    x = 194,889,404.98/15,935.73
  6. Step 6: Final answer
    x = 12,229.71

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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.