Home / 9,431.40-14,137.83-4,169.28

Finding the Fourth Proportional to 9,431.40, 14,137.83 and 4,169.28

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Solution

The fourth proportional to 9,431.40, 14,137.83 and 4,169.28 is: 6,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.40 : 14,137.83 = 4,169.28 : x
  2. Step 2: Convert to fraction form
    9,431.40/14,137.83 = 4,169.28/x
  3. Step 3: Cross multiply
    9,431.40x = 14,137.83 × 4,169.28
  4. Step 4: Simplify right side
    9,431.40x = 58,944,571.86
  5. Step 5: Solve for x
    x = 58,944,571.86/9,431.40
  6. Step 6: Final answer
    x = 6,249.82

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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.