Home / 11,581.45-17,372.12-2,816.35

Finding the Fourth Proportional to 11,581.45, 17,372.12 and 2,816.35

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Solution

The fourth proportional to 11,581.45, 17,372.12 and 2,816.35 is: 4,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.45 : 17,372.12 = 2,816.35 : x
  2. Step 2: Convert to fraction form
    11,581.45/17,372.12 = 2,816.35/x
  3. Step 3: Cross multiply
    11,581.45x = 17,372.12 × 2,816.35
  4. Step 4: Simplify right side
    11,581.45x = 48,925,970.16
  5. Step 5: Solve for x
    x = 48,925,970.16/11,581.45
  6. Step 6: Final answer
    x = 4,224.51

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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.