Home / 10,169.25-14,029.27-6,813.15

Finding the Fourth Proportional to 10,169.25, 14,029.27 and 6,813.15

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Solution

The fourth proportional to 10,169.25, 14,029.27 and 6,813.15 is: 9,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.25 : 14,029.27 = 6,813.15 : x
  2. Step 2: Convert to fraction form
    10,169.25/14,029.27 = 6,813.15/x
  3. Step 3: Cross multiply
    10,169.25x = 14,029.27 × 6,813.15
  4. Step 4: Simplify right side
    10,169.25x = 95,583,520.90
  5. Step 5: Solve for x
    x = 95,583,520.90/10,169.25
  6. Step 6: Final answer
    x = 9,399.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.