Home / 17,398.26-26,099.10-4,918.37

Finding the Fourth Proportional to 17,398.26, 26,099.10 and 4,918.37

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Solution

The fourth proportional to 17,398.26, 26,099.10 and 4,918.37 is: 7,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.26 : 26,099.10 = 4,918.37 : x
  2. Step 2: Convert to fraction form
    17,398.26/26,099.10 = 4,918.37/x
  3. Step 3: Cross multiply
    17,398.26x = 26,099.10 × 4,918.37
  4. Step 4: Simplify right side
    17,398.26x = 128,365,005.88
  5. Step 5: Solve for x
    x = 128,365,005.88/17,398.26
  6. Step 6: Final answer
    x = 7,378.04

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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.