Home / 12,054.18-18,082.90-11,325.18

Finding the Fourth Proportional to 12,054.18, 18,082.90 and 11,325.18

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Solution

The fourth proportional to 12,054.18, 18,082.90 and 11,325.18 is: 16,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.18 : 18,082.90 = 11,325.18 : x
  2. Step 2: Convert to fraction form
    12,054.18/18,082.90 = 11,325.18/x
  3. Step 3: Cross multiply
    12,054.18x = 18,082.90 × 11,325.18
  4. Step 4: Simplify right side
    12,054.18x = 204,792,097.42
  5. Step 5: Solve for x
    x = 204,792,097.42/12,054.18
  6. Step 6: Final answer
    x = 16,989.30

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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.