Home / 12,904.12-19,356.22-3,544.28

Finding the Fourth Proportional to 12,904.12, 19,356.22 and 3,544.28

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Solution

The fourth proportional to 12,904.12, 19,356.22 and 3,544.28 is: 5,316.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.12 : 19,356.22 = 3,544.28 : x
  2. Step 2: Convert to fraction form
    12,904.12/19,356.22 = 3,544.28/x
  3. Step 3: Cross multiply
    12,904.12x = 19,356.22 × 3,544.28
  4. Step 4: Simplify right side
    12,904.12x = 68,603,863.42
  5. Step 5: Solve for x
    x = 68,603,863.42/12,904.12
  6. Step 6: Final answer
    x = 5,316.43

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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.