Home / 17,398.32-26,099.18-4,918.44

Finding the Fourth Proportional to 17,398.32, 26,099.18 and 4,918.44

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Solution

The fourth proportional to 17,398.32, 26,099.18 and 4,918.44 is: 7,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.32 : 26,099.18 = 4,918.44 : x
  2. Step 2: Convert to fraction form
    17,398.32/26,099.18 = 4,918.44/x
  3. Step 3: Cross multiply
    17,398.32x = 26,099.18 × 4,918.44
  4. Step 4: Simplify right side
    17,398.32x = 128,367,250.88
  5. Step 5: Solve for x
    x = 128,367,250.88/17,398.32
  6. Step 6: Final answer
    x = 7,378.14

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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.