Home / 18,511.20-27,774.36-9,753.84

Finding the Fourth Proportional to 18,511.20, 27,774.36 and 9,753.84

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Solution

The fourth proportional to 18,511.20, 27,774.36 and 9,753.84 is: 14,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.20 : 27,774.36 = 9,753.84 : x
  2. Step 2: Convert to fraction form
    18,511.20/27,774.36 = 9,753.84/x
  3. Step 3: Cross multiply
    18,511.20x = 27,774.36 × 9,753.84
  4. Step 4: Simplify right side
    18,511.20x = 270,906,663.54
  5. Step 5: Solve for x
    x = 270,906,663.54/18,511.20
  6. Step 6: Final answer
    x = 14,634.74

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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.