Home / 13,014.92-19,520.18-3,652.79

Finding the Fourth Proportional to 13,014.92, 19,520.18 and 3,652.79

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Solution

The fourth proportional to 13,014.92, 19,520.18 and 3,652.79 is: 5,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.92 : 19,520.18 = 3,652.79 : x
  2. Step 2: Convert to fraction form
    13,014.92/19,520.18 = 3,652.79/x
  3. Step 3: Cross multiply
    13,014.92x = 19,520.18 × 3,652.79
  4. Step 4: Simplify right side
    13,014.92x = 71,303,002.44
  5. Step 5: Solve for x
    x = 71,303,002.44/13,014.92
  6. Step 6: Final answer
    x = 5,478.56

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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.