Home / 10,680.99-16,020.26-2,889.20

Finding the Fourth Proportional to 10,680.99, 16,020.26 and 2,889.20

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Solution

The fourth proportional to 10,680.99, 16,020.26 and 2,889.20 is: 4,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.99 : 16,020.26 = 2,889.20 : x
  2. Step 2: Convert to fraction form
    10,680.99/16,020.26 = 2,889.20/x
  3. Step 3: Cross multiply
    10,680.99x = 16,020.26 × 2,889.20
  4. Step 4: Simplify right side
    10,680.99x = 46,285,640.64
  5. Step 5: Solve for x
    x = 46,285,640.64/10,680.99
  6. Step 6: Final answer
    x = 4,333.46

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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.