Home / 18,657.44-27,983.76-5,511.20

Finding the Fourth Proportional to 18,657.44, 27,983.76 and 5,511.20

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Solution

The fourth proportional to 18,657.44, 27,983.76 and 5,511.20 is: 8,266.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.44 : 27,983.76 = 5,511.20 : x
  2. Step 2: Convert to fraction form
    18,657.44/27,983.76 = 5,511.20/x
  3. Step 3: Cross multiply
    18,657.44x = 27,983.76 × 5,511.20
  4. Step 4: Simplify right side
    18,657.44x = 154,224,098.11
  5. Step 5: Solve for x
    x = 154,224,098.11/18,657.44
  6. Step 6: Final answer
    x = 8,266.09

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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.