Home / 13,617.93-20,424.46-3,622.74

Finding the Fourth Proportional to 13,617.93, 20,424.46 and 3,622.74

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Solution

The fourth proportional to 13,617.93, 20,424.46 and 3,622.74 is: 5,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.93 : 20,424.46 = 3,622.74 : x
  2. Step 2: Convert to fraction form
    13,617.93/20,424.46 = 3,622.74/x
  3. Step 3: Cross multiply
    13,617.93x = 20,424.46 × 3,622.74
  4. Step 4: Simplify right side
    13,617.93x = 73,992,508.22
  5. Step 5: Solve for x
    x = 73,992,508.22/13,617.93
  6. Step 6: Final answer
    x = 5,433.46

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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.