Home / 11,927.60-17,910.12-10,102.64

Finding the Fourth Proportional to 11,927.60, 17,910.12 and 10,102.64

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Solution

The fourth proportional to 11,927.60, 17,910.12 and 10,102.64 is: 15,169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.60 : 17,910.12 = 10,102.64 : x
  2. Step 2: Convert to fraction form
    11,927.60/17,910.12 = 10,102.64/x
  3. Step 3: Cross multiply
    11,927.60x = 17,910.12 × 10,102.64
  4. Step 4: Simplify right side
    11,927.60x = 180,939,494.72
  5. Step 5: Solve for x
    x = 180,939,494.72/11,927.60
  6. Step 6: Final answer
    x = 15,169.82

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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.