Home / 9,645.39-13,310.91-5,396.33

Finding the Fourth Proportional to 9,645.39, 13,310.91 and 5,396.33

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Solution

The fourth proportional to 9,645.39, 13,310.91 and 5,396.33 is: 7,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.39 : 13,310.91 = 5,396.33 : x
  2. Step 2: Convert to fraction form
    9,645.39/13,310.91 = 5,396.33/x
  3. Step 3: Cross multiply
    9,645.39x = 13,310.91 × 5,396.33
  4. Step 4: Simplify right side
    9,645.39x = 71,829,996.41
  5. Step 5: Solve for x
    x = 71,829,996.41/9,645.39
  6. Step 6: Final answer
    x = 7,447.08

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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.