Home / 11,981.08-17,972.70-4,585.24

Finding the Fourth Proportional to 11,981.08, 17,972.70 and 4,585.24

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Solution

The fourth proportional to 11,981.08, 17,972.70 and 4,585.24 is: 6,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.08 : 17,972.70 = 4,585.24 : x
  2. Step 2: Convert to fraction form
    11,981.08/17,972.70 = 4,585.24/x
  3. Step 3: Cross multiply
    11,981.08x = 17,972.70 × 4,585.24
  4. Step 4: Simplify right side
    11,981.08x = 82,409,142.95
  5. Step 5: Solve for x
    x = 82,409,142.95/11,981.08
  6. Step 6: Final answer
    x = 6,878.27

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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.