Home / 13,237.52-19,855.92-6,120.80

Finding the Fourth Proportional to 13,237.52, 19,855.92 and 6,120.80

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Solution

The fourth proportional to 13,237.52, 19,855.92 and 6,120.80 is: 9,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.52 : 19,855.92 = 6,120.80 : x
  2. Step 2: Convert to fraction form
    13,237.52/19,855.92 = 6,120.80/x
  3. Step 3: Cross multiply
    13,237.52x = 19,855.92 × 6,120.80
  4. Step 4: Simplify right side
    13,237.52x = 121,534,115.14
  5. Step 5: Solve for x
    x = 121,534,115.14/13,237.52
  6. Step 6: Final answer
    x = 9,181.03

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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.