Home / 10,838.21-16,247.59-4,268.30

Finding the Fourth Proportional to 10,838.21, 16,247.59 and 4,268.30

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Solution

The fourth proportional to 10,838.21, 16,247.59 and 4,268.30 is: 6,398.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,838.21 : 16,247.59 = 4,268.30 : x
  2. Step 2: Convert to fraction form
    10,838.21/16,247.59 = 4,268.30/x
  3. Step 3: Cross multiply
    10,838.21x = 16,247.59 × 4,268.30
  4. Step 4: Simplify right side
    10,838.21x = 69,349,496.49
  5. Step 5: Solve for x
    x = 69,349,496.49/10,838.21
  6. Step 6: Final answer
    x = 6,398.61

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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.