Home / 12,017.52-18,028.92-3,698.14

Finding the Fourth Proportional to 12,017.52, 18,028.92 and 3,698.14

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Solution

The fourth proportional to 12,017.52, 18,028.92 and 3,698.14 is: 5,548.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.52 : 18,028.92 = 3,698.14 : x
  2. Step 2: Convert to fraction form
    12,017.52/18,028.92 = 3,698.14/x
  3. Step 3: Cross multiply
    12,017.52x = 18,028.92 × 3,698.14
  4. Step 4: Simplify right side
    12,017.52x = 66,673,470.21
  5. Step 5: Solve for x
    x = 66,673,470.21/12,017.52
  6. Step 6: Final answer
    x = 5,548.02

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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.