Home / 19,861.16-27,408.46-10,908.84

Finding the Fourth Proportional to 19,861.16, 27,408.46 and 10,908.84

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Solution

The fourth proportional to 19,861.16, 27,408.46 and 10,908.84 is: 15,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.16 : 27,408.46 = 10,908.84 : x
  2. Step 2: Convert to fraction form
    19,861.16/27,408.46 = 10,908.84/x
  3. Step 3: Cross multiply
    19,861.16x = 27,408.46 × 10,908.84
  4. Step 4: Simplify right side
    19,861.16x = 298,994,504.79
  5. Step 5: Solve for x
    x = 298,994,504.79/19,861.16
  6. Step 6: Final answer
    x = 15,054.23

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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.