Home / 12,525.33-18,794.91-6,981.80

Finding the Fourth Proportional to 12,525.33, 18,794.91 and 6,981.80

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Solution

The fourth proportional to 12,525.33, 18,794.91 and 6,981.80 is: 10,476.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.33 : 18,794.91 = 6,981.80 : x
  2. Step 2: Convert to fraction form
    12,525.33/18,794.91 = 6,981.80/x
  3. Step 3: Cross multiply
    12,525.33x = 18,794.91 × 6,981.80
  4. Step 4: Simplify right side
    12,525.33x = 131,222,208.66
  5. Step 5: Solve for x
    x = 131,222,208.66/12,525.33
  6. Step 6: Final answer
    x = 10,476.55

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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.