Home / 11,468.33-15,819.57-7,212.63

Finding the Fourth Proportional to 11,468.33, 15,819.57 and 7,212.63

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Solution

The fourth proportional to 11,468.33, 15,819.57 and 7,212.63 is: 9,949.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.33 : 15,819.57 = 7,212.63 : x
  2. Step 2: Convert to fraction form
    11,468.33/15,819.57 = 7,212.63/x
  3. Step 3: Cross multiply
    11,468.33x = 15,819.57 × 7,212.63
  4. Step 4: Simplify right side
    11,468.33x = 114,100,764.49
  5. Step 5: Solve for x
    x = 114,100,764.49/11,468.33
  6. Step 6: Final answer
    x = 9,949.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.