Home / 9,434.64-13,021.68-5,455.56

Finding the Fourth Proportional to 9,434.64, 13,021.68 and 5,455.56

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Solution

The fourth proportional to 9,434.64, 13,021.68 and 5,455.56 is: 7,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.64 : 13,021.68 = 5,455.56 : x
  2. Step 2: Convert to fraction form
    9,434.64/13,021.68 = 5,455.56/x
  3. Step 3: Cross multiply
    9,434.64x = 13,021.68 × 5,455.56
  4. Step 4: Simplify right side
    9,434.64x = 71,040,556.54
  5. Step 5: Solve for x
    x = 71,040,556.54/9,434.64
  6. Step 6: Final answer
    x = 7,529.76

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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.