Home / 13,787.46-20,688.02-5,467.29

Finding the Fourth Proportional to 13,787.46, 20,688.02 and 5,467.29

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Solution

The fourth proportional to 13,787.46, 20,688.02 and 5,467.29 is: 8,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.46 : 20,688.02 = 5,467.29 : x
  2. Step 2: Convert to fraction form
    13,787.46/20,688.02 = 5,467.29/x
  3. Step 3: Cross multiply
    13,787.46x = 20,688.02 × 5,467.29
  4. Step 4: Simplify right side
    13,787.46x = 113,107,404.87
  5. Step 5: Solve for x
    x = 113,107,404.87/13,787.46
  6. Step 6: Final answer
    x = 8,203.64

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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.