Home / 23,205.30-34,811.73-8,415.78

Finding the Fourth Proportional to 23,205.30, 34,811.73 and 8,415.78

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Solution

The fourth proportional to 23,205.30, 34,811.73 and 8,415.78 is: 12,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,205.30 : 34,811.73 = 8,415.78 : x
  2. Step 2: Convert to fraction form
    23,205.30/34,811.73 = 8,415.78/x
  3. Step 3: Cross multiply
    23,205.30x = 34,811.73 × 8,415.78
  4. Step 4: Simplify right side
    23,205.30x = 292,967,861.10
  5. Step 5: Solve for x
    x = 292,967,861.10/23,205.30
  6. Step 6: Final answer
    x = 12,625.04

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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.