Home / 11,210.97-16,816.46-3,419.72

Finding the Fourth Proportional to 11,210.97, 16,816.46 and 3,419.72

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Solution

The fourth proportional to 11,210.97, 16,816.46 and 3,419.72 is: 5,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.97 : 16,816.46 = 3,419.72 : x
  2. Step 2: Convert to fraction form
    11,210.97/16,816.46 = 3,419.72/x
  3. Step 3: Cross multiply
    11,210.97x = 16,816.46 × 3,419.72
  4. Step 4: Simplify right side
    11,210.97x = 57,507,483.41
  5. Step 5: Solve for x
    x = 57,507,483.41/11,210.97
  6. Step 6: Final answer
    x = 5,129.57

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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.