Home / 11,985.98-16,540.61-6,951.22

Finding the Fourth Proportional to 11,985.98, 16,540.61 and 6,951.22

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Solution

The fourth proportional to 11,985.98, 16,540.61 and 6,951.22 is: 9,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.98 : 16,540.61 = 6,951.22 : x
  2. Step 2: Convert to fraction form
    11,985.98/16,540.61 = 6,951.22/x
  3. Step 3: Cross multiply
    11,985.98x = 16,540.61 × 6,951.22
  4. Step 4: Simplify right side
    11,985.98x = 114,977,342.94
  5. Step 5: Solve for x
    x = 114,977,342.94/11,985.98
  6. Step 6: Final answer
    x = 9,592.66

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1.5x scale

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.