Home / 18,650.64-27,974.72-5,511.62

Finding the Fourth Proportional to 18,650.64, 27,974.72 and 5,511.62

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Solution

The fourth proportional to 18,650.64, 27,974.72 and 5,511.62 is: 8,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.64 : 27,974.72 = 5,511.62 : x
  2. Step 2: Convert to fraction form
    18,650.64/27,974.72 = 5,511.62/x
  3. Step 3: Cross multiply
    18,650.64x = 27,974.72 × 5,511.62
  4. Step 4: Simplify right side
    18,650.64x = 154,186,026.25
  5. Step 5: Solve for x
    x = 154,186,026.25/18,650.64
  6. Step 6: Final answer
    x = 8,267.06

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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.