Home / 11,155.50-16,732.98-4,577.22

Finding the Fourth Proportional to 11,155.50, 16,732.98 and 4,577.22

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Solution

The fourth proportional to 11,155.50, 16,732.98 and 4,577.22 is: 6,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.50 : 16,732.98 = 4,577.22 : x
  2. Step 2: Convert to fraction form
    11,155.50/16,732.98 = 4,577.22/x
  3. Step 3: Cross multiply
    11,155.50x = 16,732.98 × 4,577.22
  4. Step 4: Simplify right side
    11,155.50x = 76,590,530.72
  5. Step 5: Solve for x
    x = 76,590,530.72/11,155.50
  6. Step 6: Final answer
    x = 6,865.72

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Half scale
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Double scale
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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.