Home / 11,775.89-16,251.75-6,997.29

Finding the Fourth Proportional to 11,775.89, 16,251.75 and 6,997.29

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Solution

The fourth proportional to 11,775.89, 16,251.75 and 6,997.29 is: 9,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.89 : 16,251.75 = 6,997.29 : x
  2. Step 2: Convert to fraction form
    11,775.89/16,251.75 = 6,997.29/x
  3. Step 3: Cross multiply
    11,775.89x = 16,251.75 × 6,997.29
  4. Step 4: Simplify right side
    11,775.89x = 113,718,207.76
  5. Step 5: Solve for x
    x = 113,718,207.76/11,775.89
  6. Step 6: Final answer
    x = 9,656.87

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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.