Home / 11,881.88-16,397.20-6,847.73

Finding the Fourth Proportional to 11,881.88, 16,397.20 and 6,847.73

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Solution

The fourth proportional to 11,881.88, 16,397.20 and 6,847.73 is: 9,449.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,881.88 : 16,397.20 = 6,847.73 : x
  2. Step 2: Convert to fraction form
    11,881.88/16,397.20 = 6,847.73/x
  3. Step 3: Cross multiply
    11,881.88x = 16,397.20 × 6,847.73
  4. Step 4: Simplify right side
    11,881.88x = 112,283,598.36
  5. Step 5: Solve for x
    x = 112,283,598.36/11,881.88
  6. Step 6: Final answer
    x = 9,449.99

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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.