Home / 13,461.08-20,192.78-4,101.96

Finding the Fourth Proportional to 13,461.08, 20,192.78 and 4,101.96

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Solution

The fourth proportional to 13,461.08, 20,192.78 and 4,101.96 is: 6,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.08 : 20,192.78 = 4,101.96 : x
  2. Step 2: Convert to fraction form
    13,461.08/20,192.78 = 4,101.96/x
  3. Step 3: Cross multiply
    13,461.08x = 20,192.78 × 4,101.96
  4. Step 4: Simplify right side
    13,461.08x = 82,829,975.85
  5. Step 5: Solve for x
    x = 82,829,975.85/13,461.08
  6. Step 6: Final answer
    x = 6,153.29

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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.