Home / 13,149.14-19,721.27-5,752.22

Finding the Fourth Proportional to 13,149.14, 19,721.27 and 5,752.22

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Solution

The fourth proportional to 13,149.14, 19,721.27 and 5,752.22 is: 8,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.14 : 19,721.27 = 5,752.22 : x
  2. Step 2: Convert to fraction form
    13,149.14/19,721.27 = 5,752.22/x
  3. Step 3: Cross multiply
    13,149.14x = 19,721.27 × 5,752.22
  4. Step 4: Simplify right side
    13,149.14x = 113,440,999.49
  5. Step 5: Solve for x
    x = 113,440,999.49/13,149.14
  6. Step 6: Final answer
    x = 8,627.26

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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.