Home / 12,611.24-17,400.66-7,574.12

Finding the Fourth Proportional to 12,611.24, 17,400.66 and 7,574.12

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Solution

The fourth proportional to 12,611.24, 17,400.66 and 7,574.12 is: 10,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611.24 : 17,400.66 = 7,574.12 : x
  2. Step 2: Convert to fraction form
    12,611.24/17,400.66 = 7,574.12/x
  3. Step 3: Cross multiply
    12,611.24x = 17,400.66 × 7,574.12
  4. Step 4: Simplify right side
    12,611.24x = 131,794,686.92
  5. Step 5: Solve for x
    x = 131,794,686.92/12,611.24
  6. Step 6: Final answer
    x = 10,450.57

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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.