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Finding the Fourth Proportional to 13,737, 20,604.54 and 7,166.88

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Solution

The fourth proportional to 13,737, 20,604.54 and 7,166.88 is: 10,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,737 : 20,604.54 = 7,166.88 : x
  2. Step 2: Convert to fraction form
    13,737/20,604.54 = 7,166.88/x
  3. Step 3: Cross multiply
    13,737x = 20,604.54 × 7,166.88
  4. Step 4: Simplify right side
    13,737x = 147,670,265.64
  5. Step 5: Solve for x
    x = 147,670,265.64/13,737
  6. Step 6: Final answer
    x = 10,749.82

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1.5x scale

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.