Home / 11,764.90-17,671.96-9,919.62

Finding the Fourth Proportional to 11,764.90, 17,671.96 and 9,919.62

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Solution

The fourth proportional to 11,764.90, 17,671.96 and 9,919.62 is: 14,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,764.90 : 17,671.96 = 9,919.62 : x
  2. Step 2: Convert to fraction form
    11,764.90/17,671.96 = 9,919.62/x
  3. Step 3: Cross multiply
    11,764.90x = 17,671.96 × 9,919.62
  4. Step 4: Simplify right side
    11,764.90x = 175,299,127.86
  5. Step 5: Solve for x
    x = 175,299,127.86/11,764.90
  6. Step 6: Final answer
    x = 14,900.18

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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.