Home / 12,017.37-18,028.10-3,697.20

Finding the Fourth Proportional to 12,017.37, 18,028.10 and 3,697.20

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Solution

The fourth proportional to 12,017.37, 18,028.10 and 3,697.20 is: 5,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.37 : 18,028.10 = 3,697.20 : x
  2. Step 2: Convert to fraction form
    12,017.37/18,028.10 = 3,697.20/x
  3. Step 3: Cross multiply
    12,017.37x = 18,028.10 × 3,697.20
  4. Step 4: Simplify right side
    12,017.37x = 66,653,491.32
  5. Step 5: Solve for x
    x = 66,653,491.32/12,017.37
  6. Step 6: Final answer
    x = 5,546.43

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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.