Home / 12,400.44-18,599.70-3,166.20

Finding the Fourth Proportional to 12,400.44, 18,599.70 and 3,166.20

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Solution

The fourth proportional to 12,400.44, 18,599.70 and 3,166.20 is: 4,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.44 : 18,599.70 = 3,166.20 : x
  2. Step 2: Convert to fraction form
    12,400.44/18,599.70 = 3,166.20/x
  3. Step 3: Cross multiply
    12,400.44x = 18,599.70 × 3,166.20
  4. Step 4: Simplify right side
    12,400.44x = 58,890,370.14
  5. Step 5: Solve for x
    x = 58,890,370.14/12,400.44
  6. Step 6: Final answer
    x = 4,749.05

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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.