Home / 11,210.42-16,818.34-3,418.76

Finding the Fourth Proportional to 11,210.42, 16,818.34 and 3,418.76

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Solution

The fourth proportional to 11,210.42, 16,818.34 and 3,418.76 is: 5,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.42 : 16,818.34 = 3,418.76 : x
  2. Step 2: Convert to fraction form
    11,210.42/16,818.34 = 3,418.76/x
  3. Step 3: Cross multiply
    11,210.42x = 16,818.34 × 3,418.76
  4. Step 4: Simplify right side
    11,210.42x = 57,497,868.06
  5. Step 5: Solve for x
    x = 57,497,868.06/11,210.42
  6. Step 6: Final answer
    x = 5,128.97

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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.