Home / 11,922.66-17,884.08-3,602.70

Finding the Fourth Proportional to 11,922.66, 17,884.08 and 3,602.70

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Solution

The fourth proportional to 11,922.66, 17,884.08 and 3,602.70 is: 5,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.66 : 17,884.08 = 3,602.70 : x
  2. Step 2: Convert to fraction form
    11,922.66/17,884.08 = 3,602.70/x
  3. Step 3: Cross multiply
    11,922.66x = 17,884.08 × 3,602.70
  4. Step 4: Simplify right side
    11,922.66x = 64,430,975.02
  5. Step 5: Solve for x
    x = 64,430,975.02/11,922.66
  6. Step 6: Final answer
    x = 5,404.08

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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.