Home / 12,082.23-18,123.35-3,317.22

Finding the Fourth Proportional to 12,082.23, 18,123.35 and 3,317.22

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Solution

The fourth proportional to 12,082.23, 18,123.35 and 3,317.22 is: 4,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.23 : 18,123.35 = 3,317.22 : x
  2. Step 2: Convert to fraction form
    12,082.23/18,123.35 = 3,317.22/x
  3. Step 3: Cross multiply
    12,082.23x = 18,123.35 × 3,317.22
  4. Step 4: Simplify right side
    12,082.23x = 60,119,122.50
  5. Step 5: Solve for x
    x = 60,119,122.50/12,082.23
  6. Step 6: Final answer
    x = 4,975.83

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Half scale
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Double scale
Find fourth proportional to 12,083.23, 18,124.85 and 3,318.22
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.