Home / 13,008.97-19,514.37-5,217.78

Finding the Fourth Proportional to 13,008.97, 19,514.37 and 5,217.78

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Solution

The fourth proportional to 13,008.97, 19,514.37 and 5,217.78 is: 7,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.97 : 19,514.37 = 5,217.78 : x
  2. Step 2: Convert to fraction form
    13,008.97/19,514.37 = 5,217.78/x
  3. Step 3: Cross multiply
    13,008.97x = 19,514.37 × 5,217.78
  4. Step 4: Simplify right side
    13,008.97x = 101,821,663.41
  5. Step 5: Solve for x
    x = 101,821,663.41/13,008.97
  6. Step 6: Final answer
    x = 7,827.03

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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.