Home / 11,269.30-16,904.78-3,371.20

Finding the Fourth Proportional to 11,269.30, 16,904.78 and 3,371.20

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Solution

The fourth proportional to 11,269.30, 16,904.78 and 3,371.20 is: 5,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.30 : 16,904.78 = 3,371.20 : x
  2. Step 2: Convert to fraction form
    11,269.30/16,904.78 = 3,371.20/x
  3. Step 3: Cross multiply
    11,269.30x = 16,904.78 × 3,371.20
  4. Step 4: Simplify right side
    11,269.30x = 56,989,394.34
  5. Step 5: Solve for x
    x = 56,989,394.34/11,269.30
  6. Step 6: Final answer
    x = 5,057.05

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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.