Home / 18,725.41-28,074.24-8,853.16

Finding the Fourth Proportional to 18,725.41, 28,074.24 and 8,853.16

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Solution

The fourth proportional to 18,725.41, 28,074.24 and 8,853.16 is: 13,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.41 : 28,074.24 = 8,853.16 : x
  2. Step 2: Convert to fraction form
    18,725.41/28,074.24 = 8,853.16/x
  3. Step 3: Cross multiply
    18,725.41x = 28,074.24 × 8,853.16
  4. Step 4: Simplify right side
    18,725.41x = 248,545,738.60
  5. Step 5: Solve for x
    x = 248,545,738.60/18,725.41
  6. Step 6: Final answer
    x = 13,273.18

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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.