Home / 10,896.75-16,345.13-2,688.75

Finding the Fourth Proportional to 10,896.75, 16,345.13 and 2,688.75

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Solution

The fourth proportional to 10,896.75, 16,345.13 and 2,688.75 is: 4,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,896.75 : 16,345.13 = 2,688.75 : x
  2. Step 2: Convert to fraction form
    10,896.75/16,345.13 = 2,688.75/x
  3. Step 3: Cross multiply
    10,896.75x = 16,345.13 × 2,688.75
  4. Step 4: Simplify right side
    10,896.75x = 43,947,954.84
  5. Step 5: Solve for x
    x = 43,947,954.84/10,896.75
  6. Step 6: Final answer
    x = 4,033.13

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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.