Home / 18,360.24-27,531.26-7,828.62

Finding the Fourth Proportional to 18,360.24, 27,531.26 and 7,828.62

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Solution

The fourth proportional to 18,360.24, 27,531.26 and 7,828.62 is: 11,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.24 : 27,531.26 = 7,828.62 : x
  2. Step 2: Convert to fraction form
    18,360.24/27,531.26 = 7,828.62/x
  3. Step 3: Cross multiply
    18,360.24x = 27,531.26 × 7,828.62
  4. Step 4: Simplify right side
    18,360.24x = 215,531,772.66
  5. Step 5: Solve for x
    x = 215,531,772.66/18,360.24
  6. Step 6: Final answer
    x = 11,739.05

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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.