Home / 11,890.21-16,408.98-6,585.03

Finding the Fourth Proportional to 11,890.21, 16,408.98 and 6,585.03

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Solution

The fourth proportional to 11,890.21, 16,408.98 and 6,585.03 is: 9,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.21 : 16,408.98 = 6,585.03 : x
  2. Step 2: Convert to fraction form
    11,890.21/16,408.98 = 6,585.03/x
  3. Step 3: Cross multiply
    11,890.21x = 16,408.98 × 6,585.03
  4. Step 4: Simplify right side
    11,890.21x = 108,053,625.57
  5. Step 5: Solve for x
    x = 108,053,625.57/11,890.21
  6. Step 6: Final answer
    x = 9,087.61

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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.