Home / 13,389.45-20,086.41-4,622.01

Finding the Fourth Proportional to 13,389.45, 20,086.41 and 4,622.01

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Solution

The fourth proportional to 13,389.45, 20,086.41 and 4,622.01 is: 6,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.45 : 20,086.41 = 4,622.01 : x
  2. Step 2: Convert to fraction form
    13,389.45/20,086.41 = 4,622.01/x
  3. Step 3: Cross multiply
    13,389.45x = 20,086.41 × 4,622.01
  4. Step 4: Simplify right side
    13,389.45x = 92,839,587.88
  5. Step 5: Solve for x
    x = 92,839,587.88/13,389.45
  6. Step 6: Final answer
    x = 6,933.79

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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.