Home / 18,297.06-27,439.02-7,767.80

Finding the Fourth Proportional to 18,297.06, 27,439.02 and 7,767.80

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Solution

The fourth proportional to 18,297.06, 27,439.02 and 7,767.80 is: 11,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.06 : 27,439.02 = 7,767.80 : x
  2. Step 2: Convert to fraction form
    18,297.06/27,439.02 = 7,767.80/x
  3. Step 3: Cross multiply
    18,297.06x = 27,439.02 × 7,767.80
  4. Step 4: Simplify right side
    18,297.06x = 213,140,785.26
  5. Step 5: Solve for x
    x = 213,140,785.26/18,297.06
  6. Step 6: Final answer
    x = 11,648.91

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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.