Home / 18,725.27-28,104.91-9,967.55

Finding the Fourth Proportional to 18,725.27, 28,104.91 and 9,967.55

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Solution

The fourth proportional to 18,725.27, 28,104.91 and 9,967.55 is: 14,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.27 : 28,104.91 = 9,967.55 : x
  2. Step 2: Convert to fraction form
    18,725.27/28,104.91 = 9,967.55/x
  3. Step 3: Cross multiply
    18,725.27x = 28,104.91 × 9,967.55
  4. Step 4: Simplify right side
    18,725.27x = 280,136,930.23
  5. Step 5: Solve for x
    x = 280,136,930.23/18,725.27
  6. Step 6: Final answer
    x = 14,960.37

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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.