Home / 11,781.18-16,240.62-7,795.35

Finding the Fourth Proportional to 11,781.18, 16,240.62 and 7,795.35

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Solution

The fourth proportional to 11,781.18, 16,240.62 and 7,795.35 is: 10,746.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.18 : 16,240.62 = 7,795.35 : x
  2. Step 2: Convert to fraction form
    11,781.18/16,240.62 = 7,795.35/x
  3. Step 3: Cross multiply
    11,781.18x = 16,240.62 × 7,795.35
  4. Step 4: Simplify right side
    11,781.18x = 126,601,317.12
  5. Step 5: Solve for x
    x = 126,601,317.12/11,781.18
  6. Step 6: Final answer
    x = 10,746.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.