Home / 9,515.12-13,131.04-5,323.36

Finding the Fourth Proportional to 9,515.12, 13,131.04 and 5,323.36

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Solution

The fourth proportional to 9,515.12, 13,131.04 and 5,323.36 is: 7,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.12 : 13,131.04 = 5,323.36 : x
  2. Step 2: Convert to fraction form
    9,515.12/13,131.04 = 5,323.36/x
  3. Step 3: Cross multiply
    9,515.12x = 13,131.04 × 5,323.36
  4. Step 4: Simplify right side
    9,515.12x = 69,901,253.09
  5. Step 5: Solve for x
    x = 69,901,253.09/9,515.12
  6. Step 6: Final answer
    x = 7,346.33

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Similar ratio
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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.