Home / 13,505.04-20,261.52-6,936

Finding the Fourth Proportional to 13,505.04, 20,261.52 and 6,936

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Solution

The fourth proportional to 13,505.04, 20,261.52 and 6,936 is: 10,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.04 : 20,261.52 = 6,936 : x
  2. Step 2: Convert to fraction form
    13,505.04/20,261.52 = 6,936/x
  3. Step 3: Cross multiply
    13,505.04x = 20,261.52 × 6,936
  4. Step 4: Simplify right side
    13,505.04x = 140,533,902.72
  5. Step 5: Solve for x
    x = 140,533,902.72/13,505.04
  6. Step 6: Final answer
    x = 10,406.03

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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.