Home / 10,896.97-16,331.08-4,319.56

Finding the Fourth Proportional to 10,896.97, 16,331.08 and 4,319.56

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Solution

The fourth proportional to 10,896.97, 16,331.08 and 4,319.56 is: 6,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.97 : 16,331.08 = 4,319.56 : x
  2. Step 2: Convert to fraction form
    10,896.97/16,331.08 = 4,319.56/x
  3. Step 3: Cross multiply
    10,896.97x = 16,331.08 × 4,319.56
  4. Step 4: Simplify right side
    10,896.97x = 70,543,079.92
  5. Step 5: Solve for x
    x = 70,543,079.92/10,896.97
  6. Step 6: Final answer
    x = 6,473.64

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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.