Home / 22,450.44-30,980.18-12,378.95

Finding the Fourth Proportional to 22,450.44, 30,980.18 and 12,378.95

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Solution

The fourth proportional to 22,450.44, 30,980.18 and 12,378.95 is: 17,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.44 : 30,980.18 = 12,378.95 : x
  2. Step 2: Convert to fraction form
    22,450.44/30,980.18 = 12,378.95/x
  3. Step 3: Cross multiply
    22,450.44x = 30,980.18 × 12,378.95
  4. Step 4: Simplify right side
    22,450.44x = 383,501,882.42
  5. Step 5: Solve for x
    x = 383,501,882.42/22,450.44
  6. Step 6: Final answer
    x = 17,082.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.