Home / 11,188.15-16,817.09-7,054.72

Finding the Fourth Proportional to 11,188.15, 16,817.09 and 7,054.72

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Solution

The fourth proportional to 11,188.15, 16,817.09 and 7,054.72 is: 10,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.15 : 16,817.09 = 7,054.72 : x
  2. Step 2: Convert to fraction form
    11,188.15/16,817.09 = 7,054.72/x
  3. Step 3: Cross multiply
    11,188.15x = 16,817.09 × 7,054.72
  4. Step 4: Simplify right side
    11,188.15x = 118,639,783.85
  5. Step 5: Solve for x
    x = 118,639,783.85/11,188.15
  6. Step 6: Final answer
    x = 10,604.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.