Home / 15,895.44-21,935.88-8,822.16

Finding the Fourth Proportional to 15,895.44, 21,935.88 and 8,822.16

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Solution

The fourth proportional to 15,895.44, 21,935.88 and 8,822.16 is: 12,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.44 : 21,935.88 = 8,822.16 : x
  2. Step 2: Convert to fraction form
    15,895.44/21,935.88 = 8,822.16/x
  3. Step 3: Cross multiply
    15,895.44x = 21,935.88 × 8,822.16
  4. Step 4: Simplify right side
    15,895.44x = 193,521,843.10
  5. Step 5: Solve for x
    x = 193,521,843.10/15,895.44
  6. Step 6: Final answer
    x = 12,174.68

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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.