Home / 11,560.69-17,343.97-3,240.74

Finding the Fourth Proportional to 11,560.69, 17,343.97 and 3,240.74

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Solution

The fourth proportional to 11,560.69, 17,343.97 and 3,240.74 is: 4,861.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.69 : 17,343.97 = 3,240.74 : x
  2. Step 2: Convert to fraction form
    11,560.69/17,343.97 = 3,240.74/x
  3. Step 3: Cross multiply
    11,560.69x = 17,343.97 × 3,240.74
  4. Step 4: Simplify right side
    11,560.69x = 56,207,194.41
  5. Step 5: Solve for x
    x = 56,207,194.41/11,560.69
  6. Step 6: Final answer
    x = 4,861.93

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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.