Home / 15,845.94-21,863.25-9,553.86

Finding the Fourth Proportional to 15,845.94, 21,863.25 and 9,553.86

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Solution

The fourth proportional to 15,845.94, 21,863.25 and 9,553.86 is: 13,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845.94 : 21,863.25 = 9,553.86 : x
  2. Step 2: Convert to fraction form
    15,845.94/21,863.25 = 9,553.86/x
  3. Step 3: Cross multiply
    15,845.94x = 21,863.25 × 9,553.86
  4. Step 4: Simplify right side
    15,845.94x = 208,878,429.65
  5. Step 5: Solve for x
    x = 208,878,429.65/15,845.94
  6. Step 6: Final answer
    x = 13,181.83

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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.