Home / 11,525.11-17,287.65-3,205.17

Finding the Fourth Proportional to 11,525.11, 17,287.65 and 3,205.17

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Solution

The fourth proportional to 11,525.11, 17,287.65 and 3,205.17 is: 4,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.11 : 17,287.65 = 3,205.17 : x
  2. Step 2: Convert to fraction form
    11,525.11/17,287.65 = 3,205.17/x
  3. Step 3: Cross multiply
    11,525.11x = 17,287.65 × 3,205.17
  4. Step 4: Simplify right side
    11,525.11x = 55,409,866.17
  5. Step 5: Solve for x
    x = 55,409,866.17/11,525.11
  6. Step 6: Final answer
    x = 4,807.75

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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.