Home / 13,803.04-20,704.14-3,942.34

Finding the Fourth Proportional to 13,803.04, 20,704.14 and 3,942.34

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Solution

The fourth proportional to 13,803.04, 20,704.14 and 3,942.34 is: 5,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.04 : 20,704.14 = 3,942.34 : x
  2. Step 2: Convert to fraction form
    13,803.04/20,704.14 = 3,942.34/x
  3. Step 3: Cross multiply
    13,803.04x = 20,704.14 × 3,942.34
  4. Step 4: Simplify right side
    13,803.04x = 81,622,707.53
  5. Step 5: Solve for x
    x = 81,622,707.53/13,803.04
  6. Step 6: Final answer
    x = 5,913.39

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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.