Home / 10,680.31-16,019.19-2,889.73

Finding the Fourth Proportional to 10,680.31, 16,019.19 and 2,889.73

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Solution

The fourth proportional to 10,680.31, 16,019.19 and 2,889.73 is: 4,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.31 : 16,019.19 = 2,889.73 : x
  2. Step 2: Convert to fraction form
    10,680.31/16,019.19 = 2,889.73/x
  3. Step 3: Cross multiply
    10,680.31x = 16,019.19 × 2,889.73
  4. Step 4: Simplify right side
    10,680.31x = 46,291,133.92
  5. Step 5: Solve for x
    x = 46,291,133.92/10,680.31
  6. Step 6: Final answer
    x = 4,334.25

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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.