Home / 10,718.82-16,078.94-2,927.63

Finding the Fourth Proportional to 10,718.82, 16,078.94 and 2,927.63

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Solution

The fourth proportional to 10,718.82, 16,078.94 and 2,927.63 is: 4,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.82 : 16,078.94 = 2,927.63 : x
  2. Step 2: Convert to fraction form
    10,718.82/16,078.94 = 2,927.63/x
  3. Step 3: Cross multiply
    10,718.82x = 16,078.94 × 2,927.63
  4. Step 4: Simplify right side
    10,718.82x = 47,073,092.08
  5. Step 5: Solve for x
    x = 47,073,092.08/10,718.82
  6. Step 6: Final answer
    x = 4,391.63

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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.