Home / 13,823.34-20,735.55-3,435.36

Finding the Fourth Proportional to 13,823.34, 20,735.55 and 3,435.36

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Solution

The fourth proportional to 13,823.34, 20,735.55 and 3,435.36 is: 5,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.34 : 20,735.55 = 3,435.36 : x
  2. Step 2: Convert to fraction form
    13,823.34/20,735.55 = 3,435.36/x
  3. Step 3: Cross multiply
    13,823.34x = 20,735.55 × 3,435.36
  4. Step 4: Simplify right side
    13,823.34x = 71,234,079.05
  5. Step 5: Solve for x
    x = 71,234,079.05/13,823.34
  6. Step 6: Final answer
    x = 5,153.17

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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.