Home / 13,601.04-20,361.47-13,265.70

Finding the Fourth Proportional to 13,601.04, 20,361.47 and 13,265.70

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Solution

The fourth proportional to 13,601.04, 20,361.47 and 13,265.70 is: 19,859.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.04 : 20,361.47 = 13,265.70 : x
  2. Step 2: Convert to fraction form
    13,601.04/20,361.47 = 13,265.70/x
  3. Step 3: Cross multiply
    13,601.04x = 20,361.47 × 13,265.70
  4. Step 4: Simplify right side
    13,601.04x = 270,109,086.25
  5. Step 5: Solve for x
    x = 270,109,086.25/13,601.04
  6. Step 6: Final answer
    x = 19,859.44

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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.