Home / 11,319.58-16,981.08-3,529

Finding the Fourth Proportional to 11,319.58, 16,981.08 and 3,529

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Solution

The fourth proportional to 11,319.58, 16,981.08 and 3,529 is: 5,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.58 : 16,981.08 = 3,529 : x
  2. Step 2: Convert to fraction form
    11,319.58/16,981.08 = 3,529/x
  3. Step 3: Cross multiply
    11,319.58x = 16,981.08 × 3,529
  4. Step 4: Simplify right side
    11,319.58x = 59,926,231.32
  5. Step 5: Solve for x
    x = 59,926,231.32/11,319.58
  6. Step 6: Final answer
    x = 5,294.03

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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.