Home / 11,148.54-15,395.37-7,176.53

Finding the Fourth Proportional to 11,148.54, 15,395.37 and 7,176.53

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Solution

The fourth proportional to 11,148.54, 15,395.37 and 7,176.53 is: 9,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.54 : 15,395.37 = 7,176.53 : x
  2. Step 2: Convert to fraction form
    11,148.54/15,395.37 = 7,176.53/x
  3. Step 3: Cross multiply
    11,148.54x = 15,395.37 × 7,176.53
  4. Step 4: Simplify right side
    11,148.54x = 110,485,346.24
  5. Step 5: Solve for x
    x = 110,485,346.24/11,148.54
  6. Step 6: Final answer
    x = 9,910.30

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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.