Home / 13,042.03-19,572.27-5,144.80

Finding the Fourth Proportional to 13,042.03, 19,572.27 and 5,144.80

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Solution

The fourth proportional to 13,042.03, 19,572.27 and 5,144.80 is: 7,720.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.03 : 19,572.27 = 5,144.80 : x
  2. Step 2: Convert to fraction form
    13,042.03/19,572.27 = 5,144.80/x
  3. Step 3: Cross multiply
    13,042.03x = 19,572.27 × 5,144.80
  4. Step 4: Simplify right side
    13,042.03x = 100,695,388.97
  5. Step 5: Solve for x
    x = 100,695,388.97/13,042.03
  6. Step 6: Final answer
    x = 7,720.84

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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.