Home / 13,960.15-20,942.79-4,600.72

Finding the Fourth Proportional to 13,960.15, 20,942.79 and 4,600.72

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Solution

The fourth proportional to 13,960.15, 20,942.79 and 4,600.72 is: 6,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.15 : 20,942.79 = 4,600.72 : x
  2. Step 2: Convert to fraction form
    13,960.15/20,942.79 = 4,600.72/x
  3. Step 3: Cross multiply
    13,960.15x = 20,942.79 × 4,600.72
  4. Step 4: Simplify right side
    13,960.15x = 96,351,860.45
  5. Step 5: Solve for x
    x = 96,351,860.45/13,960.15
  6. Step 6: Final answer
    x = 6,901.92

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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.