Home / 11,890.07-16,408.28-6,584.88

Finding the Fourth Proportional to 11,890.07, 16,408.28 and 6,584.88

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Solution

The fourth proportional to 11,890.07, 16,408.28 and 6,584.88 is: 9,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.07 : 16,408.28 = 6,584.88 : x
  2. Step 2: Convert to fraction form
    11,890.07/16,408.28 = 6,584.88/x
  3. Step 3: Cross multiply
    11,890.07x = 16,408.28 × 6,584.88
  4. Step 4: Simplify right side
    11,890.07x = 108,046,632.80
  5. Step 5: Solve for x
    x = 108,046,632.80/11,890.07
  6. Step 6: Final answer
    x = 9,087.13

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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.