Home / 12,216.18-18,324.34-3,451.17

Finding the Fourth Proportional to 12,216.18, 18,324.34 and 3,451.17

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Solution

The fourth proportional to 12,216.18, 18,324.34 and 3,451.17 is: 5,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.18 : 18,324.34 = 3,451.17 : x
  2. Step 2: Convert to fraction form
    12,216.18/18,324.34 = 3,451.17/x
  3. Step 3: Cross multiply
    12,216.18x = 18,324.34 × 3,451.17
  4. Step 4: Simplify right side
    12,216.18x = 63,240,303.60
  5. Step 5: Solve for x
    x = 63,240,303.60/12,216.18
  6. Step 6: Final answer
    x = 5,176.77

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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.