Home / 11,528.36-17,291.51-3,208.19

Finding the Fourth Proportional to 11,528.36, 17,291.51 and 3,208.19

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Solution

The fourth proportional to 11,528.36, 17,291.51 and 3,208.19 is: 4,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.36 : 17,291.51 = 3,208.19 : x
  2. Step 2: Convert to fraction form
    11,528.36/17,291.51 = 3,208.19/x
  3. Step 3: Cross multiply
    11,528.36x = 17,291.51 × 3,208.19
  4. Step 4: Simplify right side
    11,528.36x = 55,474,346.97
  5. Step 5: Solve for x
    x = 55,474,346.97/11,528.36
  6. Step 6: Final answer
    x = 4,811.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.