Home / 13,835.50-20,753.04-6,435.82

Finding the Fourth Proportional to 13,835.50, 20,753.04 and 6,435.82

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Solution

The fourth proportional to 13,835.50, 20,753.04 and 6,435.82 is: 9,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.50 : 20,753.04 = 6,435.82 : x
  2. Step 2: Convert to fraction form
    13,835.50/20,753.04 = 6,435.82/x
  3. Step 3: Cross multiply
    13,835.50x = 20,753.04 × 6,435.82
  4. Step 4: Simplify right side
    13,835.50x = 133,562,829.89
  5. Step 5: Solve for x
    x = 133,562,829.89/13,835.50
  6. Step 6: Final answer
    x = 9,653.63

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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.