Home / 10,712.94-16,069.86-2,921.76

Finding the Fourth Proportional to 10,712.94, 16,069.86 and 2,921.76

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Solution

The fourth proportional to 10,712.94, 16,069.86 and 2,921.76 is: 4,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.94 : 16,069.86 = 2,921.76 : x
  2. Step 2: Convert to fraction form
    10,712.94/16,069.86 = 2,921.76/x
  3. Step 3: Cross multiply
    10,712.94x = 16,069.86 × 2,921.76
  4. Step 4: Simplify right side
    10,712.94x = 46,952,274.15
  5. Step 5: Solve for x
    x = 46,952,274.15/10,712.94
  6. Step 6: Final answer
    x = 4,382.76

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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.