Home / 13,105.74-19,662.26-5,710.85

Finding the Fourth Proportional to 13,105.74, 19,662.26 and 5,710.85

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Solution

The fourth proportional to 13,105.74, 19,662.26 and 5,710.85 is: 8,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105.74 : 19,662.26 = 5,710.85 : x
  2. Step 2: Convert to fraction form
    13,105.74/19,662.26 = 5,710.85/x
  3. Step 3: Cross multiply
    13,105.74x = 19,662.26 × 5,710.85
  4. Step 4: Simplify right side
    13,105.74x = 112,288,090.66
  5. Step 5: Solve for x
    x = 112,288,090.66/13,105.74
  6. Step 6: Final answer
    x = 8,567.86

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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.