Home / 11,218.19-16,827.29-3,818.84

Finding the Fourth Proportional to 11,218.19, 16,827.29 and 3,818.84

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Solution

The fourth proportional to 11,218.19, 16,827.29 and 3,818.84 is: 5,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.19 : 16,827.29 = 3,818.84 : x
  2. Step 2: Convert to fraction form
    11,218.19/16,827.29 = 3,818.84/x
  3. Step 3: Cross multiply
    11,218.19x = 16,827.29 × 3,818.84
  4. Step 4: Simplify right side
    11,218.19x = 64,260,709.05
  5. Step 5: Solve for x
    x = 64,260,709.05/11,218.19
  6. Step 6: Final answer
    x = 5,728.26

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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.