Home / 10,825.64-14,939.43-5,857.64

Finding the Fourth Proportional to 10,825.64, 14,939.43 and 5,857.64

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Solution

The fourth proportional to 10,825.64, 14,939.43 and 5,857.64 is: 8,083.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.64 : 14,939.43 = 5,857.64 : x
  2. Step 2: Convert to fraction form
    10,825.64/14,939.43 = 5,857.64/x
  3. Step 3: Cross multiply
    10,825.64x = 14,939.43 × 5,857.64
  4. Step 4: Simplify right side
    10,825.64x = 87,509,840.09
  5. Step 5: Solve for x
    x = 87,509,840.09/10,825.64
  6. Step 6: Final answer
    x = 8,083.57

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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.