Home / 11,214.08-16,821.44-3,422.08

Finding the Fourth Proportional to 11,214.08, 16,821.44 and 3,422.08

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Solution

The fourth proportional to 11,214.08, 16,821.44 and 3,422.08 is: 5,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.08 : 16,821.44 = 3,422.08 : x
  2. Step 2: Convert to fraction form
    11,214.08/16,821.44 = 3,422.08/x
  3. Step 3: Cross multiply
    11,214.08x = 16,821.44 × 3,422.08
  4. Step 4: Simplify right side
    11,214.08x = 57,564,313.40
  5. Step 5: Solve for x
    x = 57,564,313.40/11,214.08
  6. Step 6: Final answer
    x = 5,133.22

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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.