Home / 12,759.25-19,139.96-3,525.25

Finding the Fourth Proportional to 12,759.25, 19,139.96 and 3,525.25

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Solution

The fourth proportional to 12,759.25, 19,139.96 and 3,525.25 is: 5,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.25 : 19,139.96 = 3,525.25 : x
  2. Step 2: Convert to fraction form
    12,759.25/19,139.96 = 3,525.25/x
  3. Step 3: Cross multiply
    12,759.25x = 19,139.96 × 3,525.25
  4. Step 4: Simplify right side
    12,759.25x = 67,473,143.99
  5. Step 5: Solve for x
    x = 67,473,143.99/12,759.25
  6. Step 6: Final answer
    x = 5,288.17

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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.