Home / 10,639.94-15,952.51-4,713.61

Finding the Fourth Proportional to 10,639.94, 15,952.51 and 4,713.61

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Solution

The fourth proportional to 10,639.94, 15,952.51 and 4,713.61 is: 7,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.94 : 15,952.51 = 4,713.61 : x
  2. Step 2: Convert to fraction form
    10,639.94/15,952.51 = 4,713.61/x
  3. Step 3: Cross multiply
    10,639.94x = 15,952.51 × 4,713.61
  4. Step 4: Simplify right side
    10,639.94x = 75,193,887.09
  5. Step 5: Solve for x
    x = 75,193,887.09/10,639.94
  6. Step 6: Final answer
    x = 7,067.13

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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.