Home / 13,376.10-20,076.30-8,996.64

Finding the Fourth Proportional to 13,376.10, 20,076.30 and 8,996.64

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Solution

The fourth proportional to 13,376.10, 20,076.30 and 8,996.64 is: 13,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.10 : 20,076.30 = 8,996.64 : x
  2. Step 2: Convert to fraction form
    13,376.10/20,076.30 = 8,996.64/x
  3. Step 3: Cross multiply
    13,376.10x = 20,076.30 × 8,996.64
  4. Step 4: Simplify right side
    13,376.10x = 180,619,243.63
  5. Step 5: Solve for x
    x = 180,619,243.63/13,376.10
  6. Step 6: Final answer
    x = 13,503.13

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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.