Home / 10,814.98-16,218.34-4,239.67

Finding the Fourth Proportional to 10,814.98, 16,218.34 and 4,239.67

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Solution

The fourth proportional to 10,814.98, 16,218.34 and 4,239.67 is: 6,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,814.98 : 16,218.34 = 4,239.67 : x
  2. Step 2: Convert to fraction form
    10,814.98/16,218.34 = 4,239.67/x
  3. Step 3: Cross multiply
    10,814.98x = 16,218.34 × 4,239.67
  4. Step 4: Simplify right side
    10,814.98x = 68,760,409.55
  5. Step 5: Solve for x
    x = 68,760,409.55/10,814.98
  6. Step 6: Final answer
    x = 6,357.89

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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.