Home / 15,004.97-22,512.32-7,212.77

Finding the Fourth Proportional to 15,004.97, 22,512.32 and 7,212.77

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Solution

The fourth proportional to 15,004.97, 22,512.32 and 7,212.77 is: 10,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.97 : 22,512.32 = 7,212.77 : x
  2. Step 2: Convert to fraction form
    15,004.97/22,512.32 = 7,212.77/x
  3. Step 3: Cross multiply
    15,004.97x = 22,512.32 × 7,212.77
  4. Step 4: Simplify right side
    15,004.97x = 162,376,150.26
  5. Step 5: Solve for x
    x = 162,376,150.26/15,004.97
  6. Step 6: Final answer
    x = 10,821.49

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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.