Home / 11,639.26-17,467.35-8,725.42

Finding the Fourth Proportional to 11,639.26, 17,467.35 and 8,725.42

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Solution

The fourth proportional to 11,639.26, 17,467.35 and 8,725.42 is: 13,094.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.26 : 17,467.35 = 8,725.42 : x
  2. Step 2: Convert to fraction form
    11,639.26/17,467.35 = 8,725.42/x
  3. Step 3: Cross multiply
    11,639.26x = 17,467.35 × 8,725.42
  4. Step 4: Simplify right side
    11,639.26x = 152,409,965.04
  5. Step 5: Solve for x
    x = 152,409,965.04/11,639.26
  6. Step 6: Final answer
    x = 13,094.47

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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.