Home / 11,217.80-16,826.70-4,648.70

Finding the Fourth Proportional to 11,217.80, 16,826.70 and 4,648.70

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Solution

The fourth proportional to 11,217.80, 16,826.70 and 4,648.70 is: 6,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.80 : 16,826.70 = 4,648.70 : x
  2. Step 2: Convert to fraction form
    11,217.80/16,826.70 = 4,648.70/x
  3. Step 3: Cross multiply
    11,217.80x = 16,826.70 × 4,648.70
  4. Step 4: Simplify right side
    11,217.80x = 78,222,280.29
  5. Step 5: Solve for x
    x = 78,222,280.29/11,217.80
  6. Step 6: Final answer
    x = 6,973.05

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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.