Home / 10,495.18-15,742.76-7,198.28

Finding the Fourth Proportional to 10,495.18, 15,742.76 and 7,198.28

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Solution

The fourth proportional to 10,495.18, 15,742.76 and 7,198.28 is: 10,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.18 : 15,742.76 = 7,198.28 : x
  2. Step 2: Convert to fraction form
    10,495.18/15,742.76 = 7,198.28/x
  3. Step 3: Cross multiply
    10,495.18x = 15,742.76 × 7,198.28
  4. Step 4: Simplify right side
    10,495.18x = 113,320,794.45
  5. Step 5: Solve for x
    x = 113,320,794.45/10,495.18
  6. Step 6: Final answer
    x = 10,797.41

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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.