Home / 13,429.10-20,150.54-5,537.68

Finding the Fourth Proportional to 13,429.10, 20,150.54 and 5,537.68

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Solution

The fourth proportional to 13,429.10, 20,150.54 and 5,537.68 is: 8,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.10 : 20,150.54 = 5,537.68 : x
  2. Step 2: Convert to fraction form
    13,429.10/20,150.54 = 5,537.68/x
  3. Step 3: Cross multiply
    13,429.10x = 20,150.54 × 5,537.68
  4. Step 4: Simplify right side
    13,429.10x = 111,587,242.35
  5. Step 5: Solve for x
    x = 111,587,242.35/13,429.10
  6. Step 6: Final answer
    x = 8,309.36

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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.