Home / 11,239.32-16,861.86-4,314.36

Finding the Fourth Proportional to 11,239.32, 16,861.86 and 4,314.36

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Solution

The fourth proportional to 11,239.32, 16,861.86 and 4,314.36 is: 6,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.32 : 16,861.86 = 4,314.36 : x
  2. Step 2: Convert to fraction form
    11,239.32/16,861.86 = 4,314.36/x
  3. Step 3: Cross multiply
    11,239.32x = 16,861.86 × 4,314.36
  4. Step 4: Simplify right side
    11,239.32x = 72,748,134.31
  5. Step 5: Solve for x
    x = 72,748,134.31/11,239.32
  6. Step 6: Final answer
    x = 6,472.65

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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.