Home / 12,464.11-17,196.21-7,086

Finding the Fourth Proportional to 12,464.11, 17,196.21 and 7,086

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Solution

The fourth proportional to 12,464.11, 17,196.21 and 7,086 is: 9,776.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.11 : 17,196.21 = 7,086 : x
  2. Step 2: Convert to fraction form
    12,464.11/17,196.21 = 7,086/x
  3. Step 3: Cross multiply
    12,464.11x = 17,196.21 × 7,086
  4. Step 4: Simplify right side
    12,464.11x = 121,852,344.06
  5. Step 5: Solve for x
    x = 121,852,344.06/12,464.11
  6. Step 6: Final answer
    x = 9,776.26

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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.