Home / 11,229.62-15,495.63-6,512.99

Finding the Fourth Proportional to 11,229.62, 15,495.63 and 6,512.99

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Solution

The fourth proportional to 11,229.62, 15,495.63 and 6,512.99 is: 8,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.62 : 15,495.63 = 6,512.99 : x
  2. Step 2: Convert to fraction form
    11,229.62/15,495.63 = 6,512.99/x
  3. Step 3: Cross multiply
    11,229.62x = 15,495.63 × 6,512.99
  4. Step 4: Simplify right side
    11,229.62x = 100,922,805.76
  5. Step 5: Solve for x
    x = 100,922,805.76/11,229.62
  6. Step 6: Final answer
    x = 8,987.20

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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.