Home / 11,291.78-16,941.66-5,051.24

Finding the Fourth Proportional to 11,291.78, 16,941.66 and 5,051.24

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Solution

The fourth proportional to 11,291.78, 16,941.66 and 5,051.24 is: 7,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.78 : 16,941.66 = 5,051.24 : x
  2. Step 2: Convert to fraction form
    11,291.78/16,941.66 = 5,051.24/x
  3. Step 3: Cross multiply
    11,291.78x = 16,941.66 × 5,051.24
  4. Step 4: Simplify right side
    11,291.78x = 85,576,390.66
  5. Step 5: Solve for x
    x = 85,576,390.66/11,291.78
  6. Step 6: Final answer
    x = 7,578.64

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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.