Home / 11,282.88-15,552.36-8,889.06

Finding the Fourth Proportional to 11,282.88, 15,552.36 and 8,889.06

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Solution

The fourth proportional to 11,282.88, 15,552.36 and 8,889.06 is: 12,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.88 : 15,552.36 = 8,889.06 : x
  2. Step 2: Convert to fraction form
    11,282.88/15,552.36 = 8,889.06/x
  3. Step 3: Cross multiply
    11,282.88x = 15,552.36 × 8,889.06
  4. Step 4: Simplify right side
    11,282.88x = 138,245,861.18
  5. Step 5: Solve for x
    x = 138,245,861.18/11,282.88
  6. Step 6: Final answer
    x = 12,252.71

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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.