Home / 14,945.50-20,625.35-8,230.95

Finding the Fourth Proportional to 14,945.50, 20,625.35 and 8,230.95

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Solution

The fourth proportional to 14,945.50, 20,625.35 and 8,230.95 is: 11,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.50 : 20,625.35 = 8,230.95 : x
  2. Step 2: Convert to fraction form
    14,945.50/20,625.35 = 8,230.95/x
  3. Step 3: Cross multiply
    14,945.50x = 20,625.35 × 8,230.95
  4. Step 4: Simplify right side
    14,945.50x = 169,766,224.58
  5. Step 5: Solve for x
    x = 169,766,224.58/14,945.50
  6. Step 6: Final answer
    x = 11,359.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.