Home / 13,063.86-19,595.79-5,270.85

Finding the Fourth Proportional to 13,063.86, 19,595.79 and 5,270.85

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Solution

The fourth proportional to 13,063.86, 19,595.79 and 5,270.85 is: 7,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.86 : 19,595.79 = 5,270.85 : x
  2. Step 2: Convert to fraction form
    13,063.86/19,595.79 = 5,270.85/x
  3. Step 3: Cross multiply
    13,063.86x = 19,595.79 × 5,270.85
  4. Step 4: Simplify right side
    13,063.86x = 103,286,469.72
  5. Step 5: Solve for x
    x = 103,286,469.72/13,063.86
  6. Step 6: Final answer
    x = 7,906.28

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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.