Home / 9,986.49-13,781.88-6,008.85

Finding the Fourth Proportional to 9,986.49, 13,781.88 and 6,008.85

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Solution

The fourth proportional to 9,986.49, 13,781.88 and 6,008.85 is: 8,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.49 : 13,781.88 = 6,008.85 : x
  2. Step 2: Convert to fraction form
    9,986.49/13,781.88 = 6,008.85/x
  3. Step 3: Cross multiply
    9,986.49x = 13,781.88 × 6,008.85
  4. Step 4: Simplify right side
    9,986.49x = 82,813,249.64
  5. Step 5: Solve for x
    x = 82,813,249.64/9,986.49
  6. Step 6: Final answer
    x = 8,292.53

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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.