Home / 11,655.72-16,084.26-6,619.80

Finding the Fourth Proportional to 11,655.72, 16,084.26 and 6,619.80

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Solution

The fourth proportional to 11,655.72, 16,084.26 and 6,619.80 is: 9,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.72 : 16,084.26 = 6,619.80 : x
  2. Step 2: Convert to fraction form
    11,655.72/16,084.26 = 6,619.80/x
  3. Step 3: Cross multiply
    11,655.72x = 16,084.26 × 6,619.80
  4. Step 4: Simplify right side
    11,655.72x = 106,474,584.35
  5. Step 5: Solve for x
    x = 106,474,584.35/11,655.72
  6. Step 6: Final answer
    x = 9,134.96

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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.