Home / 23,129.64-34,660.98-12,590.73

Finding the Fourth Proportional to 23,129.64, 34,660.98 and 12,590.73

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Solution

The fourth proportional to 23,129.64, 34,660.98 and 12,590.73 is: 18,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.64 : 34,660.98 = 12,590.73 : x
  2. Step 2: Convert to fraction form
    23,129.64/34,660.98 = 12,590.73/x
  3. Step 3: Cross multiply
    23,129.64x = 34,660.98 × 12,590.73
  4. Step 4: Simplify right side
    23,129.64x = 436,407,040.72
  5. Step 5: Solve for x
    x = 436,407,040.72/23,129.64
  6. Step 6: Final answer
    x = 18,867.87

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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.