Home / 13,544.73-20,320.41-4,660.20

Finding the Fourth Proportional to 13,544.73, 20,320.41 and 4,660.20

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Solution

The fourth proportional to 13,544.73, 20,320.41 and 4,660.20 is: 6,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.73 : 20,320.41 = 4,660.20 : x
  2. Step 2: Convert to fraction form
    13,544.73/20,320.41 = 4,660.20/x
  3. Step 3: Cross multiply
    13,544.73x = 20,320.41 × 4,660.20
  4. Step 4: Simplify right side
    13,544.73x = 94,697,174.68
  5. Step 5: Solve for x
    x = 94,697,174.68/13,544.73
  6. Step 6: Final answer
    x = 6,991.44

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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.