Home / 11,442.40-15,791.54-6,727.38

Finding the Fourth Proportional to 11,442.40, 15,791.54 and 6,727.38

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Solution

The fourth proportional to 11,442.40, 15,791.54 and 6,727.38 is: 9,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.40 : 15,791.54 = 6,727.38 : x
  2. Step 2: Convert to fraction form
    11,442.40/15,791.54 = 6,727.38/x
  3. Step 3: Cross multiply
    11,442.40x = 15,791.54 × 6,727.38
  4. Step 4: Simplify right side
    11,442.40x = 106,235,690.37
  5. Step 5: Solve for x
    x = 106,235,690.37/11,442.40
  6. Step 6: Final answer
    x = 9,284.39

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1.5x scale

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.