Home / 12,825.99-17,694.09-7,518.57

Finding the Fourth Proportional to 12,825.99, 17,694.09 and 7,518.57

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Solution

The fourth proportional to 12,825.99, 17,694.09 and 7,518.57 is: 10,372.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.99 : 17,694.09 = 7,518.57 : x
  2. Step 2: Convert to fraction form
    12,825.99/17,694.09 = 7,518.57/x
  3. Step 3: Cross multiply
    12,825.99x = 17,694.09 × 7,518.57
  4. Step 4: Simplify right side
    12,825.99x = 133,034,216.66
  5. Step 5: Solve for x
    x = 133,034,216.66/12,825.99
  6. Step 6: Final answer
    x = 10,372.24

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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.