Home / 13,650.66-20,477.61-3,790.26

Finding the Fourth Proportional to 13,650.66, 20,477.61 and 3,790.26

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Solution

The fourth proportional to 13,650.66, 20,477.61 and 3,790.26 is: 5,685.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.66 : 20,477.61 = 3,790.26 : x
  2. Step 2: Convert to fraction form
    13,650.66/20,477.61 = 3,790.26/x
  3. Step 3: Cross multiply
    13,650.66x = 20,477.61 × 3,790.26
  4. Step 4: Simplify right side
    13,650.66x = 77,615,466.08
  5. Step 5: Solve for x
    x = 77,615,466.08/13,650.66
  6. Step 6: Final answer
    x = 5,685.84

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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.