Home / 11,703.26-16,149.30-6,986.90

Finding the Fourth Proportional to 11,703.26, 16,149.30 and 6,986.90

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Solution

The fourth proportional to 11,703.26, 16,149.30 and 6,986.90 is: 9,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.26 : 16,149.30 = 6,986.90 : x
  2. Step 2: Convert to fraction form
    11,703.26/16,149.30 = 6,986.90/x
  3. Step 3: Cross multiply
    11,703.26x = 16,149.30 × 6,986.90
  4. Step 4: Simplify right side
    11,703.26x = 112,833,544.17
  5. Step 5: Solve for x
    x = 112,833,544.17/11,703.26
  6. Step 6: Final answer
    x = 9,641.21

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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.