Home / 12,039.66-18,060.84-5,020.20

Finding the Fourth Proportional to 12,039.66, 18,060.84 and 5,020.20

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Solution

The fourth proportional to 12,039.66, 18,060.84 and 5,020.20 is: 7,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.66 : 18,060.84 = 5,020.20 : x
  2. Step 2: Convert to fraction form
    12,039.66/18,060.84 = 5,020.20/x
  3. Step 3: Cross multiply
    12,039.66x = 18,060.84 × 5,020.20
  4. Step 4: Simplify right side
    12,039.66x = 90,669,028.97
  5. Step 5: Solve for x
    x = 90,669,028.97/12,039.66
  6. Step 6: Final answer
    x = 7,530.86

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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.