Home / 11,212.32-16,814.54-3,312.74

Finding the Fourth Proportional to 11,212.32, 16,814.54 and 3,312.74

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Solution

The fourth proportional to 11,212.32, 16,814.54 and 3,312.74 is: 4,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.32 : 16,814.54 = 3,312.74 : x
  2. Step 2: Convert to fraction form
    11,212.32/16,814.54 = 3,312.74/x
  3. Step 3: Cross multiply
    11,212.32x = 16,814.54 × 3,312.74
  4. Step 4: Simplify right side
    11,212.32x = 55,702,199.24
  5. Step 5: Solve for x
    x = 55,702,199.24/11,212.32
  6. Step 6: Final answer
    x = 4,967.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.