Home / 11,586.77-17,382.69-4,190.46

Finding the Fourth Proportional to 11,586.77, 17,382.69 and 4,190.46

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Solution

The fourth proportional to 11,586.77, 17,382.69 and 4,190.46 is: 6,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.77 : 17,382.69 = 4,190.46 : x
  2. Step 2: Convert to fraction form
    11,586.77/17,382.69 = 4,190.46/x
  3. Step 3: Cross multiply
    11,586.77x = 17,382.69 × 4,190.46
  4. Step 4: Simplify right side
    11,586.77x = 72,841,407.97
  5. Step 5: Solve for x
    x = 72,841,407.97/11,586.77
  6. Step 6: Final answer
    x = 6,286.60

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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.