Home / 11,922.54-16,452.54-6,617.76

Finding the Fourth Proportional to 11,922.54, 16,452.54 and 6,617.76

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Solution

The fourth proportional to 11,922.54, 16,452.54 and 6,617.76 is: 9,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.54 : 16,452.54 = 6,617.76 : x
  2. Step 2: Convert to fraction form
    11,922.54/16,452.54 = 6,617.76/x
  3. Step 3: Cross multiply
    11,922.54x = 16,452.54 × 6,617.76
  4. Step 4: Simplify right side
    11,922.54x = 108,878,961.11
  5. Step 5: Solve for x
    x = 108,878,961.11/11,922.54
  6. Step 6: Final answer
    x = 9,132.20

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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.