Home / 15,895.80-21,935.25-8,822.23

Finding the Fourth Proportional to 15,895.80, 21,935.25 and 8,822.23

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Solution

The fourth proportional to 15,895.80, 21,935.25 and 8,822.23 is: 12,174.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.80 : 21,935.25 = 8,822.23 : x
  2. Step 2: Convert to fraction form
    15,895.80/21,935.25 = 8,822.23/x
  3. Step 3: Cross multiply
    15,895.80x = 21,935.25 × 8,822.23
  4. Step 4: Simplify right side
    15,895.80x = 193,517,765.77
  5. Step 5: Solve for x
    x = 193,517,765.77/15,895.80
  6. Step 6: Final answer
    x = 12,174.14

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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.