Home / 11,135.31-16,768.59-8,037.15

Finding the Fourth Proportional to 11,135.31, 16,768.59 and 8,037.15

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Solution

The fourth proportional to 11,135.31, 16,768.59 and 8,037.15 is: 12,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.31 : 16,768.59 = 8,037.15 : x
  2. Step 2: Convert to fraction form
    11,135.31/16,768.59 = 8,037.15/x
  3. Step 3: Cross multiply
    11,135.31x = 16,768.59 × 8,037.15
  4. Step 4: Simplify right side
    11,135.31x = 134,771,673.12
  5. Step 5: Solve for x
    x = 134,771,673.12/11,135.31
  6. Step 6: Final answer
    x = 12,103.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.