Home / 11,511.89-17,252.08-8,698.41

Finding the Fourth Proportional to 11,511.89, 17,252.08 and 8,698.41

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Solution

The fourth proportional to 11,511.89, 17,252.08 and 8,698.41 is: 13,035.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.89 : 17,252.08 = 8,698.41 : x
  2. Step 2: Convert to fraction form
    11,511.89/17,252.08 = 8,698.41/x
  3. Step 3: Cross multiply
    11,511.89x = 17,252.08 × 8,698.41
  4. Step 4: Simplify right side
    11,511.89x = 150,065,665.19
  5. Step 5: Solve for x
    x = 150,065,665.19/11,511.89
  6. Step 6: Final answer
    x = 13,035.71

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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.