Home / 13,016.50-19,525.13-4,131.86

Finding the Fourth Proportional to 13,016.50, 19,525.13 and 4,131.86

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Solution

The fourth proportional to 13,016.50, 19,525.13 and 4,131.86 is: 6,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.50 : 19,525.13 = 4,131.86 : x
  2. Step 2: Convert to fraction form
    13,016.50/19,525.13 = 4,131.86/x
  3. Step 3: Cross multiply
    13,016.50x = 19,525.13 × 4,131.86
  4. Step 4: Simplify right side
    13,016.50x = 80,675,133.92
  5. Step 5: Solve for x
    x = 80,675,133.92/13,016.50
  6. Step 6: Final answer
    x = 6,197.91

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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.