Home / 13,297.71-19,961.15-5,511.99

Finding the Fourth Proportional to 13,297.71, 19,961.15 and 5,511.99

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Solution

The fourth proportional to 13,297.71, 19,961.15 and 5,511.99 is: 8,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.71 : 19,961.15 = 5,511.99 : x
  2. Step 2: Convert to fraction form
    13,297.71/19,961.15 = 5,511.99/x
  3. Step 3: Cross multiply
    13,297.71x = 19,961.15 × 5,511.99
  4. Step 4: Simplify right side
    13,297.71x = 110,025,659.19
  5. Step 5: Solve for x
    x = 110,025,659.19/13,297.71
  6. Step 6: Final answer
    x = 8,274.03

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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.