Home / 15,537.82-21,442.19-8,464.24

Finding the Fourth Proportional to 15,537.82, 21,442.19 and 8,464.24

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Solution

The fourth proportional to 15,537.82, 21,442.19 and 8,464.24 is: 11,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.82 : 21,442.19 = 8,464.24 : x
  2. Step 2: Convert to fraction form
    15,537.82/21,442.19 = 8,464.24/x
  3. Step 3: Cross multiply
    15,537.82x = 21,442.19 × 8,464.24
  4. Step 4: Simplify right side
    15,537.82x = 181,491,799.96
  5. Step 5: Solve for x
    x = 181,491,799.96/15,537.82
  6. Step 6: Final answer
    x = 11,680.65

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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.