Home / 12,723.15-19,086.53-4,932.75

Finding the Fourth Proportional to 12,723.15, 19,086.53 and 4,932.75

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Solution

The fourth proportional to 12,723.15, 19,086.53 and 4,932.75 is: 7,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.15 : 19,086.53 = 4,932.75 : x
  2. Step 2: Convert to fraction form
    12,723.15/19,086.53 = 4,932.75/x
  3. Step 3: Cross multiply
    12,723.15x = 19,086.53 × 4,932.75
  4. Step 4: Simplify right side
    12,723.15x = 94,149,056.19
  5. Step 5: Solve for x
    x = 94,149,056.19/12,723.15
  6. Step 6: Final answer
    x = 7,399.82

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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.