Home / 11,006.54-16,511.28-3,215.24

Finding the Fourth Proportional to 11,006.54, 16,511.28 and 3,215.24

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Solution

The fourth proportional to 11,006.54, 16,511.28 and 3,215.24 is: 4,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.54 : 16,511.28 = 3,215.24 : x
  2. Step 2: Convert to fraction form
    11,006.54/16,511.28 = 3,215.24/x
  3. Step 3: Cross multiply
    11,006.54x = 16,511.28 × 3,215.24
  4. Step 4: Simplify right side
    11,006.54x = 53,087,645.35
  5. Step 5: Solve for x
    x = 53,087,645.35/11,006.54
  6. Step 6: Final answer
    x = 4,823.28

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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.