Home / 10,840.31-16,258.77-3,443.80

Finding the Fourth Proportional to 10,840.31, 16,258.77 and 3,443.80

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Solution

The fourth proportional to 10,840.31, 16,258.77 and 3,443.80 is: 5,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.31 : 16,258.77 = 3,443.80 : x
  2. Step 2: Convert to fraction form
    10,840.31/16,258.77 = 3,443.80/x
  3. Step 3: Cross multiply
    10,840.31x = 16,258.77 × 3,443.80
  4. Step 4: Simplify right side
    10,840.31x = 55,991,952.13
  5. Step 5: Solve for x
    x = 55,991,952.13/10,840.31
  6. Step 6: Final answer
    x = 5,165.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.