Home / 12,028.40-18,042.22-3,708.08

Finding the Fourth Proportional to 12,028.40, 18,042.22 and 3,708.08

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Solution

The fourth proportional to 12,028.40, 18,042.22 and 3,708.08 is: 5,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.40 : 18,042.22 = 3,708.08 : x
  2. Step 2: Convert to fraction form
    12,028.40/18,042.22 = 3,708.08/x
  3. Step 3: Cross multiply
    12,028.40x = 18,042.22 × 3,708.08
  4. Step 4: Simplify right side
    12,028.40x = 66,901,995.14
  5. Step 5: Solve for x
    x = 66,901,995.14/12,028.40
  6. Step 6: Final answer
    x = 5,562.00

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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.