Home / 11,961.41-16,506.50-6,656.31

Finding the Fourth Proportional to 11,961.41, 16,506.50 and 6,656.31

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Solution

The fourth proportional to 11,961.41, 16,506.50 and 6,656.31 is: 9,185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.41 : 16,506.50 = 6,656.31 : x
  2. Step 2: Convert to fraction form
    11,961.41/16,506.50 = 6,656.31/x
  3. Step 3: Cross multiply
    11,961.41x = 16,506.50 × 6,656.31
  4. Step 4: Simplify right side
    11,961.41x = 109,872,347.73
  5. Step 5: Solve for x
    x = 109,872,347.73/11,961.41
  6. Step 6: Final answer
    x = 9,185.57

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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.