Home / 11,234.51-16,839.90-4,209.93

Finding the Fourth Proportional to 11,234.51, 16,839.90 and 4,209.93

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Solution

The fourth proportional to 11,234.51, 16,839.90 and 4,209.93 is: 6,310.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234.51 : 16,839.90 = 4,209.93 : x
  2. Step 2: Convert to fraction form
    11,234.51/16,839.90 = 4,209.93/x
  3. Step 3: Cross multiply
    11,234.51x = 16,839.90 × 4,209.93
  4. Step 4: Simplify right side
    11,234.51x = 70,894,800.21
  5. Step 5: Solve for x
    x = 70,894,800.21/11,234.51
  6. Step 6: Final answer
    x = 6,310.45

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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.