Home / 13,009.68-19,514.34-3,650.22

Finding the Fourth Proportional to 13,009.68, 19,514.34 and 3,650.22

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Solution

The fourth proportional to 13,009.68, 19,514.34 and 3,650.22 is: 5,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.68 : 19,514.34 = 3,650.22 : x
  2. Step 2: Convert to fraction form
    13,009.68/19,514.34 = 3,650.22/x
  3. Step 3: Cross multiply
    13,009.68x = 19,514.34 × 3,650.22
  4. Step 4: Simplify right side
    13,009.68x = 71,231,634.15
  5. Step 5: Solve for x
    x = 71,231,634.15/13,009.68
  6. Step 6: Final answer
    x = 5,475.28

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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.