Home / 13,694.10-20,541.14-5,378.02

Finding the Fourth Proportional to 13,694.10, 20,541.14 and 5,378.02

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Solution

The fourth proportional to 13,694.10, 20,541.14 and 5,378.02 is: 8,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.10 : 20,541.14 = 5,378.02 : x
  2. Step 2: Convert to fraction form
    13,694.10/20,541.14 = 5,378.02/x
  3. Step 3: Cross multiply
    13,694.10x = 20,541.14 × 5,378.02
  4. Step 4: Simplify right side
    13,694.10x = 110,470,661.74
  5. Step 5: Solve for x
    x = 110,470,661.74/13,694.10
  6. Step 6: Final answer
    x = 8,067.03

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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.