Home / 13,429.35-20,150.52-5,537.70

Finding the Fourth Proportional to 13,429.35, 20,150.52 and 5,537.70

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Solution

The fourth proportional to 13,429.35, 20,150.52 and 5,537.70 is: 8,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.35 : 20,150.52 = 5,537.70 : x
  2. Step 2: Convert to fraction form
    13,429.35/20,150.52 = 5,537.70/x
  3. Step 3: Cross multiply
    13,429.35x = 20,150.52 × 5,537.70
  4. Step 4: Simplify right side
    13,429.35x = 111,587,534.60
  5. Step 5: Solve for x
    x = 111,587,534.60/13,429.35
  6. Step 6: Final answer
    x = 8,309.23

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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.