Home / 15,644.34-23,444.91-12,728.34

Finding the Fourth Proportional to 15,644.34, 23,444.91 and 12,728.34

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Solution

The fourth proportional to 15,644.34, 23,444.91 and 12,728.34 is: 19,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.34 : 23,444.91 = 12,728.34 : x
  2. Step 2: Convert to fraction form
    15,644.34/23,444.91 = 12,728.34/x
  3. Step 3: Cross multiply
    15,644.34x = 23,444.91 × 12,728.34
  4. Step 4: Simplify right side
    15,644.34x = 298,414,785.75
  5. Step 5: Solve for x
    x = 298,414,785.75/15,644.34
  6. Step 6: Final answer
    x = 19,074.94

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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.