Home / 13,827.83-20,741.73-3,439.58

Finding the Fourth Proportional to 13,827.83, 20,741.73 and 3,439.58

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Solution

The fourth proportional to 13,827.83, 20,741.73 and 3,439.58 is: 5,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.83 : 20,741.73 = 3,439.58 : x
  2. Step 2: Convert to fraction form
    13,827.83/20,741.73 = 3,439.58/x
  3. Step 3: Cross multiply
    13,827.83x = 20,741.73 × 3,439.58
  4. Step 4: Simplify right side
    13,827.83x = 71,342,735.96
  5. Step 5: Solve for x
    x = 71,342,735.96/13,827.83
  6. Step 6: Final answer
    x = 5,159.36

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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.