Home / 12,207.51-18,311.81-4,414.23

Finding the Fourth Proportional to 12,207.51, 18,311.81 and 4,414.23

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Solution

The fourth proportional to 12,207.51, 18,311.81 and 4,414.23 is: 6,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.51 : 18,311.81 = 4,414.23 : x
  2. Step 2: Convert to fraction form
    12,207.51/18,311.81 = 4,414.23/x
  3. Step 3: Cross multiply
    12,207.51x = 18,311.81 × 4,414.23
  4. Step 4: Simplify right side
    12,207.51x = 80,832,518.99
  5. Step 5: Solve for x
    x = 80,832,518.99/12,207.51
  6. Step 6: Final answer
    x = 6,621.54

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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.