Home / 13,734.72-20,600.67-9,320.73

Finding the Fourth Proportional to 13,734.72, 20,600.67 and 9,320.73

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Solution

The fourth proportional to 13,734.72, 20,600.67 and 9,320.73 is: 13,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.72 : 20,600.67 = 9,320.73 : x
  2. Step 2: Convert to fraction form
    13,734.72/20,600.67 = 9,320.73/x
  3. Step 3: Cross multiply
    13,734.72x = 20,600.67 × 9,320.73
  4. Step 4: Simplify right side
    13,734.72x = 192,013,282.89
  5. Step 5: Solve for x
    x = 192,013,282.89/13,734.72
  6. Step 6: Final answer
    x = 13,980.14

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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.