Home / 11,745.32-17,618.04-3,954.20

Finding the Fourth Proportional to 11,745.32, 17,618.04 and 3,954.20

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Solution

The fourth proportional to 11,745.32, 17,618.04 and 3,954.20 is: 5,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,745.32 : 17,618.04 = 3,954.20 : x
  2. Step 2: Convert to fraction form
    11,745.32/17,618.04 = 3,954.20/x
  3. Step 3: Cross multiply
    11,745.32x = 17,618.04 × 3,954.20
  4. Step 4: Simplify right side
    11,745.32x = 69,665,253.77
  5. Step 5: Solve for x
    x = 69,665,253.77/11,745.32
  6. Step 6: Final answer
    x = 5,931.32

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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.