Home / 11,278.44-16,918.80-3,881.93

Finding the Fourth Proportional to 11,278.44, 16,918.80 and 3,881.93

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Solution

The fourth proportional to 11,278.44, 16,918.80 and 3,881.93 is: 5,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.44 : 16,918.80 = 3,881.93 : x
  2. Step 2: Convert to fraction form
    11,278.44/16,918.80 = 3,881.93/x
  3. Step 3: Cross multiply
    11,278.44x = 16,918.80 × 3,881.93
  4. Step 4: Simplify right side
    11,278.44x = 65,677,502.99
  5. Step 5: Solve for x
    x = 65,677,502.99/11,278.44
  6. Step 6: Final answer
    x = 5,823.28

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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.