Home / 16,991.46-25,481.42-6,458.94

Finding the Fourth Proportional to 16,991.46, 25,481.42 and 6,458.94

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Solution

The fourth proportional to 16,991.46, 25,481.42 and 6,458.94 is: 9,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.46 : 25,481.42 = 6,458.94 : x
  2. Step 2: Convert to fraction form
    16,991.46/25,481.42 = 6,458.94/x
  3. Step 3: Cross multiply
    16,991.46x = 25,481.42 × 6,458.94
  4. Step 4: Simplify right side
    16,991.46x = 164,582,962.89
  5. Step 5: Solve for x
    x = 164,582,962.89/16,991.46
  6. Step 6: Final answer
    x = 9,686.22

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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.