Home / 9,747.92-13,452.36-5,556.56

Finding the Fourth Proportional to 9,747.92, 13,452.36 and 5,556.56

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Solution

The fourth proportional to 9,747.92, 13,452.36 and 5,556.56 is: 7,668.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.92 : 13,452.36 = 5,556.56 : x
  2. Step 2: Convert to fraction form
    9,747.92/13,452.36 = 5,556.56/x
  3. Step 3: Cross multiply
    9,747.92x = 13,452.36 × 5,556.56
  4. Step 4: Simplify right side
    9,747.92x = 74,748,845.48
  5. Step 5: Solve for x
    x = 74,748,845.48/9,747.92
  6. Step 6: Final answer
    x = 7,668.18

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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.