Home / 12,113.99-18,170.83-4,216.35

Finding the Fourth Proportional to 12,113.99, 18,170.83 and 4,216.35

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Solution

The fourth proportional to 12,113.99, 18,170.83 and 4,216.35 is: 6,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.99 : 18,170.83 = 4,216.35 : x
  2. Step 2: Convert to fraction form
    12,113.99/18,170.83 = 4,216.35/x
  3. Step 3: Cross multiply
    12,113.99x = 18,170.83 × 4,216.35
  4. Step 4: Simplify right side
    12,113.99x = 76,614,652.48
  5. Step 5: Solve for x
    x = 76,614,652.48/12,113.99
  6. Step 6: Final answer
    x = 6,324.48

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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.