Home / 10,828.80-16,236.60-4,247.10

Finding the Fourth Proportional to 10,828.80, 16,236.60 and 4,247.10

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Solution

The fourth proportional to 10,828.80, 16,236.60 and 4,247.10 is: 6,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.80 : 16,236.60 = 4,247.10 : x
  2. Step 2: Convert to fraction form
    10,828.80/16,236.60 = 4,247.10/x
  3. Step 3: Cross multiply
    10,828.80x = 16,236.60 × 4,247.10
  4. Step 4: Simplify right side
    10,828.80x = 68,958,463.86
  5. Step 5: Solve for x
    x = 68,958,463.86/10,828.80
  6. Step 6: Final answer
    x = 6,368.06

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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.