Home / 12,561.54-18,842.16-3,073.95

Finding the Fourth Proportional to 12,561.54, 18,842.16 and 3,073.95

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Solution

The fourth proportional to 12,561.54, 18,842.16 and 3,073.95 is: 4,610.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.54 : 18,842.16 = 3,073.95 : x
  2. Step 2: Convert to fraction form
    12,561.54/18,842.16 = 3,073.95/x
  3. Step 3: Cross multiply
    12,561.54x = 18,842.16 × 3,073.95
  4. Step 4: Simplify right side
    12,561.54x = 57,919,857.73
  5. Step 5: Solve for x
    x = 57,919,857.73/12,561.54
  6. Step 6: Final answer
    x = 4,610.89

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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.