Home / 11,576.76-17,341.29-8,618.23

Finding the Fourth Proportional to 11,576.76, 17,341.29 and 8,618.23

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Solution

The fourth proportional to 11,576.76, 17,341.29 and 8,618.23 is: 12,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.76 : 17,341.29 = 8,618.23 : x
  2. Step 2: Convert to fraction form
    11,576.76/17,341.29 = 8,618.23/x
  3. Step 3: Cross multiply
    11,576.76x = 17,341.29 × 8,618.23
  4. Step 4: Simplify right side
    11,576.76x = 149,451,247.39
  5. Step 5: Solve for x
    x = 149,451,247.39/11,576.76
  6. Step 6: Final answer
    x = 12,909.60

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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.