Home / 11,286.48-15,567.60-7,743.54

Finding the Fourth Proportional to 11,286.48, 15,567.60 and 7,743.54

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Solution

The fourth proportional to 11,286.48, 15,567.60 and 7,743.54 is: 10,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.48 : 15,567.60 = 7,743.54 : x
  2. Step 2: Convert to fraction form
    11,286.48/15,567.60 = 7,743.54/x
  3. Step 3: Cross multiply
    11,286.48x = 15,567.60 × 7,743.54
  4. Step 4: Simplify right side
    11,286.48x = 120,548,284.60
  5. Step 5: Solve for x
    x = 120,548,284.60/11,286.48
  6. Step 6: Final answer
    x = 10,680.77

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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.