Home / 11,890.19-16,408.51-6,584.89

Finding the Fourth Proportional to 11,890.19, 16,408.51 and 6,584.89

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Solution

The fourth proportional to 11,890.19, 16,408.51 and 6,584.89 is: 9,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.19 : 16,408.51 = 6,584.89 : x
  2. Step 2: Convert to fraction form
    11,890.19/16,408.51 = 6,584.89/x
  3. Step 3: Cross multiply
    11,890.19x = 16,408.51 × 6,584.89
  4. Step 4: Simplify right side
    11,890.19x = 108,048,233.41
  5. Step 5: Solve for x
    x = 108,048,233.41/11,890.19
  6. Step 6: Final answer
    x = 9,087.18

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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.