Home / 9,571.14-13,209.36-5,379.39

Finding the Fourth Proportional to 9,571.14, 13,209.36 and 5,379.39

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Solution

The fourth proportional to 9,571.14, 13,209.36 and 5,379.39 is: 7,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.14 : 13,209.36 = 5,379.39 : x
  2. Step 2: Convert to fraction form
    9,571.14/13,209.36 = 5,379.39/x
  3. Step 3: Cross multiply
    9,571.14x = 13,209.36 × 5,379.39
  4. Step 4: Simplify right side
    9,571.14x = 71,058,299.09
  5. Step 5: Solve for x
    x = 71,058,299.09/9,571.14
  6. Step 6: Final answer
    x = 7,424.23

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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.