Home / 11,409.18-17,117.13-3,617.82

Finding the Fourth Proportional to 11,409.18, 17,117.13 and 3,617.82

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Solution

The fourth proportional to 11,409.18, 17,117.13 and 3,617.82 is: 5,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.18 : 17,117.13 = 3,617.82 : x
  2. Step 2: Convert to fraction form
    11,409.18/17,117.13 = 3,617.82/x
  3. Step 3: Cross multiply
    11,409.18x = 17,117.13 × 3,617.82
  4. Step 4: Simplify right side
    11,409.18x = 61,926,695.26
  5. Step 5: Solve for x
    x = 61,926,695.26/11,409.18
  6. Step 6: Final answer
    x = 5,427.80

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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.