Home / 10,680.57-16,020.41-2,889.63

Finding the Fourth Proportional to 10,680.57, 16,020.41 and 2,889.63

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Solution

The fourth proportional to 10,680.57, 16,020.41 and 2,889.63 is: 4,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.57 : 16,020.41 = 2,889.63 : x
  2. Step 2: Convert to fraction form
    10,680.57/16,020.41 = 2,889.63/x
  3. Step 3: Cross multiply
    10,680.57x = 16,020.41 × 2,889.63
  4. Step 4: Simplify right side
    10,680.57x = 46,293,042.90
  5. Step 5: Solve for x
    x = 46,293,042.90/10,680.57
  6. Step 6: Final answer
    x = 4,334.32

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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.