Home / 9,556.36-13,187.79-5,364.64

Finding the Fourth Proportional to 9,556.36, 13,187.79 and 5,364.64

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Solution

The fourth proportional to 9,556.36, 13,187.79 and 5,364.64 is: 7,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.36 : 13,187.79 = 5,364.64 : x
  2. Step 2: Convert to fraction form
    9,556.36/13,187.79 = 5,364.64/x
  3. Step 3: Cross multiply
    9,556.36x = 13,187.79 × 5,364.64
  4. Step 4: Simplify right side
    9,556.36x = 70,747,745.75
  5. Step 5: Solve for x
    x = 70,747,745.75/9,556.36
  6. Step 6: Final answer
    x = 7,403.21

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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.