Home / 14,930.75-20,604.53-8,216.18

Finding the Fourth Proportional to 14,930.75, 20,604.53 and 8,216.18

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Solution

The fourth proportional to 14,930.75, 20,604.53 and 8,216.18 is: 11,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.75 : 20,604.53 = 8,216.18 : x
  2. Step 2: Convert to fraction form
    14,930.75/20,604.53 = 8,216.18/x
  3. Step 3: Cross multiply
    14,930.75x = 20,604.53 × 8,216.18
  4. Step 4: Simplify right side
    14,930.75x = 169,290,537.73
  5. Step 5: Solve for x
    x = 169,290,537.73/14,930.75
  6. Step 6: Final answer
    x = 11,338.39

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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.