Home / 11,528.26-15,915.78-10,863.97

Finding the Fourth Proportional to 11,528.26, 15,915.78 and 10,863.97

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Solution

The fourth proportional to 11,528.26, 15,915.78 and 10,863.97 is: 14,998.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.26 : 15,915.78 = 10,863.97 : x
  2. Step 2: Convert to fraction form
    11,528.26/15,915.78 = 10,863.97/x
  3. Step 3: Cross multiply
    11,528.26x = 15,915.78 × 10,863.97
  4. Step 4: Simplify right side
    11,528.26x = 172,908,516.66
  5. Step 5: Solve for x
    x = 172,908,516.66/11,528.26
  6. Step 6: Final answer
    x = 14,998.67

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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.