Home / 13,016.58-19,535.20-6,778.37

Finding the Fourth Proportional to 13,016.58, 19,535.20 and 6,778.37

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Solution

The fourth proportional to 13,016.58, 19,535.20 and 6,778.37 is: 10,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.58 : 19,535.20 = 6,778.37 : x
  2. Step 2: Convert to fraction form
    13,016.58/19,535.20 = 6,778.37/x
  3. Step 3: Cross multiply
    13,016.58x = 19,535.20 × 6,778.37
  4. Step 4: Simplify right side
    13,016.58x = 132,416,813.62
  5. Step 5: Solve for x
    x = 132,416,813.62/13,016.58
  6. Step 6: Final answer
    x = 10,172.93

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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.