Home / 11,795.78-16,172.68-11,585.18

Finding the Fourth Proportional to 11,795.78, 16,172.68 and 11,585.18

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Solution

The fourth proportional to 11,795.78, 16,172.68 and 11,585.18 is: 15,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.78 : 16,172.68 = 11,585.18 : x
  2. Step 2: Convert to fraction form
    11,795.78/16,172.68 = 11,585.18/x
  3. Step 3: Cross multiply
    11,795.78x = 16,172.68 × 11,585.18
  4. Step 4: Simplify right side
    11,795.78x = 187,363,408.88
  5. Step 5: Solve for x
    x = 187,363,408.88/11,795.78
  6. Step 6: Final answer
    x = 15,883.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.