Home / 12,247.46-18,370.92-3,927.50

Finding the Fourth Proportional to 12,247.46, 18,370.92 and 3,927.50

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Solution

The fourth proportional to 12,247.46, 18,370.92 and 3,927.50 is: 5,891.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.46 : 18,370.92 = 3,927.50 : x
  2. Step 2: Convert to fraction form
    12,247.46/18,370.92 = 3,927.50/x
  3. Step 3: Cross multiply
    12,247.46x = 18,370.92 × 3,927.50
  4. Step 4: Simplify right side
    12,247.46x = 72,151,788.30
  5. Step 5: Solve for x
    x = 72,151,788.30/12,247.46
  6. Step 6: Final answer
    x = 5,891.16

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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.