Home / 13,748.08-20,608.04-5,424.73

Finding the Fourth Proportional to 13,748.08, 20,608.04 and 5,424.73

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Solution

The fourth proportional to 13,748.08, 20,608.04 and 5,424.73 is: 8,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.08 : 20,608.04 = 5,424.73 : x
  2. Step 2: Convert to fraction form
    13,748.08/20,608.04 = 5,424.73/x
  3. Step 3: Cross multiply
    13,748.08x = 20,608.04 × 5,424.73
  4. Step 4: Simplify right side
    13,748.08x = 111,793,025.71
  5. Step 5: Solve for x
    x = 111,793,025.71/13,748.08
  6. Step 6: Final answer
    x = 8,131.54

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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.