Home / 18,297.15-27,450.51-7,767.55

Finding the Fourth Proportional to 18,297.15, 27,450.51 and 7,767.55

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Solution

The fourth proportional to 18,297.15, 27,450.51 and 7,767.55 is: 11,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.15 : 27,450.51 = 7,767.55 : x
  2. Step 2: Convert to fraction form
    18,297.15/27,450.51 = 7,767.55/x
  3. Step 3: Cross multiply
    18,297.15x = 27,450.51 × 7,767.55
  4. Step 4: Simplify right side
    18,297.15x = 213,223,208.95
  5. Step 5: Solve for x
    x = 213,223,208.95/18,297.15
  6. Step 6: Final answer
    x = 11,653.36

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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.