Home / 11,322.96-16,981.40-3,423.44

Finding the Fourth Proportional to 11,322.96, 16,981.40 and 3,423.44

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Solution

The fourth proportional to 11,322.96, 16,981.40 and 3,423.44 is: 5,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.96 : 16,981.40 = 3,423.44 : x
  2. Step 2: Convert to fraction form
    11,322.96/16,981.40 = 3,423.44/x
  3. Step 3: Cross multiply
    11,322.96x = 16,981.40 × 3,423.44
  4. Step 4: Simplify right side
    11,322.96x = 58,134,804.02
  5. Step 5: Solve for x
    x = 58,134,804.02/11,322.96
  6. Step 6: Final answer
    x = 5,134.24

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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.