Home / 13,938.24-20,910.24-4,704

Finding the Fourth Proportional to 13,938.24, 20,910.24 and 4,704

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Solution

The fourth proportional to 13,938.24, 20,910.24 and 4,704 is: 7,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.24 : 20,910.24 = 4,704 : x
  2. Step 2: Convert to fraction form
    13,938.24/20,910.24 = 4,704/x
  3. Step 3: Cross multiply
    13,938.24x = 20,910.24 × 4,704
  4. Step 4: Simplify right side
    13,938.24x = 98,361,768.96
  5. Step 5: Solve for x
    x = 98,361,768.96/13,938.24
  6. Step 6: Final answer
    x = 7,056.97

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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.