Home / 13,335.10-19,998.42-5,542

Finding the Fourth Proportional to 13,335.10, 19,998.42 and 5,542

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Solution

The fourth proportional to 13,335.10, 19,998.42 and 5,542 is: 8,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.10 : 19,998.42 = 5,542 : x
  2. Step 2: Convert to fraction form
    13,335.10/19,998.42 = 5,542/x
  3. Step 3: Cross multiply
    13,335.10x = 19,998.42 × 5,542
  4. Step 4: Simplify right side
    13,335.10x = 110,831,243.64
  5. Step 5: Solve for x
    x = 110,831,243.64/13,335.10
  6. Step 6: Final answer
    x = 8,311.24

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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.