Home / 12,068.10-18,102.15-11,193.30

Finding the Fourth Proportional to 12,068.10, 18,102.15 and 11,193.30

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Solution

The fourth proportional to 12,068.10, 18,102.15 and 11,193.30 is: 16,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.10 : 18,102.15 = 11,193.30 : x
  2. Step 2: Convert to fraction form
    12,068.10/18,102.15 = 11,193.30/x
  3. Step 3: Cross multiply
    12,068.10x = 18,102.15 × 11,193.30
  4. Step 4: Simplify right side
    12,068.10x = 202,622,795.60
  5. Step 5: Solve for x
    x = 202,622,795.60/12,068.10
  6. Step 6: Final answer
    x = 16,789.95

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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.