Home / 12,860.66-19,287.06-4,538.73

Finding the Fourth Proportional to 12,860.66, 19,287.06 and 4,538.73

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Solution

The fourth proportional to 12,860.66, 19,287.06 and 4,538.73 is: 6,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.66 : 19,287.06 = 4,538.73 : x
  2. Step 2: Convert to fraction form
    12,860.66/19,287.06 = 4,538.73/x
  3. Step 3: Cross multiply
    12,860.66x = 19,287.06 × 4,538.73
  4. Step 4: Simplify right side
    12,860.66x = 87,538,757.83
  5. Step 5: Solve for x
    x = 87,538,757.83/12,860.66
  6. Step 6: Final answer
    x = 6,806.71

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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.