Home / 11,643.80-17,465.70-4,249.40

Finding the Fourth Proportional to 11,643.80, 17,465.70 and 4,249.40

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Solution

The fourth proportional to 11,643.80, 17,465.70 and 4,249.40 is: 6,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.80 : 17,465.70 = 4,249.40 : x
  2. Step 2: Convert to fraction form
    11,643.80/17,465.70 = 4,249.40/x
  3. Step 3: Cross multiply
    11,643.80x = 17,465.70 × 4,249.40
  4. Step 4: Simplify right side
    11,643.80x = 74,218,745.58
  5. Step 5: Solve for x
    x = 74,218,745.58/11,643.80
  6. Step 6: Final answer
    x = 6,374.10

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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.