Home / 10,680.32-16,021.29-2,889.06

Finding the Fourth Proportional to 10,680.32, 16,021.29 and 2,889.06

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Solution

The fourth proportional to 10,680.32, 16,021.29 and 2,889.06 is: 4,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.32 : 16,021.29 = 2,889.06 : x
  2. Step 2: Convert to fraction form
    10,680.32/16,021.29 = 2,889.06/x
  3. Step 3: Cross multiply
    10,680.32x = 16,021.29 × 2,889.06
  4. Step 4: Simplify right side
    10,680.32x = 46,286,468.09
  5. Step 5: Solve for x
    x = 46,286,468.09/10,680.32
  6. Step 6: Final answer
    x = 4,333.81

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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.