Home / 10,674.12-14,727.78-6,481.56

Finding the Fourth Proportional to 10,674.12, 14,727.78 and 6,481.56

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Solution

The fourth proportional to 10,674.12, 14,727.78 and 6,481.56 is: 8,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,674.12 : 14,727.78 = 6,481.56 : x
  2. Step 2: Convert to fraction form
    10,674.12/14,727.78 = 6,481.56/x
  3. Step 3: Cross multiply
    10,674.12x = 14,727.78 × 6,481.56
  4. Step 4: Simplify right side
    10,674.12x = 95,458,989.74
  5. Step 5: Solve for x
    x = 95,458,989.74/10,674.12
  6. Step 6: Final answer
    x = 8,943.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.