Home / 11,005.71-16,508.57-3,214.59

Finding the Fourth Proportional to 11,005.71, 16,508.57 and 3,214.59

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Solution

The fourth proportional to 11,005.71, 16,508.57 and 3,214.59 is: 4,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005.71 : 16,508.57 = 3,214.59 : x
  2. Step 2: Convert to fraction form
    11,005.71/16,508.57 = 3,214.59/x
  3. Step 3: Cross multiply
    11,005.71x = 16,508.57 × 3,214.59
  4. Step 4: Simplify right side
    11,005.71x = 53,068,267.96
  5. Step 5: Solve for x
    x = 53,068,267.96/11,005.71
  6. Step 6: Final answer
    x = 4,821.89

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Similar ratio
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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.