Home / 18,297.03-27,440.10-7,766.91

Finding the Fourth Proportional to 18,297.03, 27,440.10 and 7,766.91

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Solution

The fourth proportional to 18,297.03, 27,440.10 and 7,766.91 is: 11,648.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.03 : 27,440.10 = 7,766.91 : x
  2. Step 2: Convert to fraction form
    18,297.03/27,440.10 = 7,766.91/x
  3. Step 3: Cross multiply
    18,297.03x = 27,440.10 × 7,766.91
  4. Step 4: Simplify right side
    18,297.03x = 213,124,787.09
  5. Step 5: Solve for x
    x = 213,124,787.09/18,297.03
  6. Step 6: Final answer
    x = 11,648.05

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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.