Home / 11,128.74-15,352.76-6,650.24

Finding the Fourth Proportional to 11,128.74, 15,352.76 and 6,650.24

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Solution

The fourth proportional to 11,128.74, 15,352.76 and 6,650.24 is: 9,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.74 : 15,352.76 = 6,650.24 : x
  2. Step 2: Convert to fraction form
    11,128.74/15,352.76 = 6,650.24/x
  3. Step 3: Cross multiply
    11,128.74x = 15,352.76 × 6,650.24
  4. Step 4: Simplify right side
    11,128.74x = 102,099,538.66
  5. Step 5: Solve for x
    x = 102,099,538.66/11,128.74
  6. Step 6: Final answer
    x = 9,174.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.