Home / 12,724.66-19,073.67-4,284.85

Finding the Fourth Proportional to 12,724.66, 19,073.67 and 4,284.85

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Solution

The fourth proportional to 12,724.66, 19,073.67 and 4,284.85 is: 6,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,724.66 : 19,073.67 = 4,284.85 : x
  2. Step 2: Convert to fraction form
    12,724.66/19,073.67 = 4,284.85/x
  3. Step 3: Cross multiply
    12,724.66x = 19,073.67 × 4,284.85
  4. Step 4: Simplify right side
    12,724.66x = 81,727,814.90
  5. Step 5: Solve for x
    x = 81,727,814.90/12,724.66
  6. Step 6: Final answer
    x = 6,422.79

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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.