Home / 18,663.53-27,999.25-6,182.85

Finding the Fourth Proportional to 18,663.53, 27,999.25 and 6,182.85

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Solution

The fourth proportional to 18,663.53, 27,999.25 and 6,182.85 is: 9,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.53 : 27,999.25 = 6,182.85 : x
  2. Step 2: Convert to fraction form
    18,663.53/27,999.25 = 6,182.85/x
  3. Step 3: Cross multiply
    18,663.53x = 27,999.25 × 6,182.85
  4. Step 4: Simplify right side
    18,663.53x = 173,115,147.41
  5. Step 5: Solve for x
    x = 173,115,147.41/18,663.53
  6. Step 6: Final answer
    x = 9,275.58

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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.