Home / 11,115.73-16,670.12-3,718.46

Finding the Fourth Proportional to 11,115.73, 16,670.12 and 3,718.46

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Solution

The fourth proportional to 11,115.73, 16,670.12 and 3,718.46 is: 5,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.73 : 16,670.12 = 3,718.46 : x
  2. Step 2: Convert to fraction form
    11,115.73/16,670.12 = 3,718.46/x
  3. Step 3: Cross multiply
    11,115.73x = 16,670.12 × 3,718.46
  4. Step 4: Simplify right side
    11,115.73x = 61,987,072.47
  5. Step 5: Solve for x
    x = 61,987,072.47/11,115.73
  6. Step 6: Final answer
    x = 5,576.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.