Home / 11,221.47-16,828.50-3,723.30

Finding the Fourth Proportional to 11,221.47, 16,828.50 and 3,723.30

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Solution

The fourth proportional to 11,221.47, 16,828.50 and 3,723.30 is: 5,583.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.47 : 16,828.50 = 3,723.30 : x
  2. Step 2: Convert to fraction form
    11,221.47/16,828.50 = 3,723.30/x
  3. Step 3: Cross multiply
    11,221.47x = 16,828.50 × 3,723.30
  4. Step 4: Simplify right side
    11,221.47x = 62,657,568.01
  5. Step 5: Solve for x
    x = 62,657,568.01/11,221.47
  6. Step 6: Final answer
    x = 5,583.72

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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.