Home / 11,261.22-16,893.65-4,687.66

Finding the Fourth Proportional to 11,261.22, 16,893.65 and 4,687.66

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Solution

The fourth proportional to 11,261.22, 16,893.65 and 4,687.66 is: 7,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.22 : 16,893.65 = 4,687.66 : x
  2. Step 2: Convert to fraction form
    11,261.22/16,893.65 = 4,687.66/x
  3. Step 3: Cross multiply
    11,261.22x = 16,893.65 × 4,687.66
  4. Step 4: Simplify right side
    11,261.22x = 79,191,687.36
  5. Step 5: Solve for x
    x = 79,191,687.36/11,261.22
  6. Step 6: Final answer
    x = 7,032.25

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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.