Home / 11,860.88-16,367.76-6,555.40

Finding the Fourth Proportional to 11,860.88, 16,367.76 and 6,555.40

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Solution

The fourth proportional to 11,860.88, 16,367.76 and 6,555.40 is: 9,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.88 : 16,367.76 = 6,555.40 : x
  2. Step 2: Convert to fraction form
    11,860.88/16,367.76 = 6,555.40/x
  3. Step 3: Cross multiply
    11,860.88x = 16,367.76 × 6,555.40
  4. Step 4: Simplify right side
    11,860.88x = 107,297,213.90
  5. Step 5: Solve for x
    x = 107,297,213.90/11,860.88
  6. Step 6: Final answer
    x = 9,046.31

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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.