Home / 10,680.92-16,020.16-2,889.13

Finding the Fourth Proportional to 10,680.92, 16,020.16 and 2,889.13

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Solution

The fourth proportional to 10,680.92, 16,020.16 and 2,889.13 is: 4,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.92 : 16,020.16 = 2,889.13 : x
  2. Step 2: Convert to fraction form
    10,680.92/16,020.16 = 2,889.13/x
  3. Step 3: Cross multiply
    10,680.92x = 16,020.16 × 2,889.13
  4. Step 4: Simplify right side
    10,680.92x = 46,284,324.86
  5. Step 5: Solve for x
    x = 46,284,324.86/10,680.92
  6. Step 6: Final answer
    x = 4,333.36

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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.