Home / 13,016.71-19,525.11-4,251.70

Finding the Fourth Proportional to 13,016.71, 19,525.11 and 4,251.70

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Solution

The fourth proportional to 13,016.71, 19,525.11 and 4,251.70 is: 6,377.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.71 : 19,525.11 = 4,251.70 : x
  2. Step 2: Convert to fraction form
    13,016.71/19,525.11 = 4,251.70/x
  3. Step 3: Cross multiply
    13,016.71x = 19,525.11 × 4,251.70
  4. Step 4: Simplify right side
    13,016.71x = 83,014,910.19
  5. Step 5: Solve for x
    x = 83,014,910.19/13,016.71
  6. Step 6: Final answer
    x = 6,377.56

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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.