Home / 11,984.72-17,989.86-10,606.82

Finding the Fourth Proportional to 11,984.72, 17,989.86 and 10,606.82

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Solution

The fourth proportional to 11,984.72, 17,989.86 and 10,606.82 is: 15,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.72 : 17,989.86 = 10,606.82 : x
  2. Step 2: Convert to fraction form
    11,984.72/17,989.86 = 10,606.82/x
  3. Step 3: Cross multiply
    11,984.72x = 17,989.86 × 10,606.82
  4. Step 4: Simplify right side
    11,984.72x = 190,815,206.85
  5. Step 5: Solve for x
    x = 190,815,206.85/11,984.72
  6. Step 6: Final answer
    x = 15,921.54

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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.