Home / 11,971.84-17,966.04-4,958.20

Finding the Fourth Proportional to 11,971.84, 17,966.04 and 4,958.20

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Solution

The fourth proportional to 11,971.84, 17,966.04 and 4,958.20 is: 7,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.84 : 17,966.04 = 4,958.20 : x
  2. Step 2: Convert to fraction form
    11,971.84/17,966.04 = 4,958.20/x
  3. Step 3: Cross multiply
    11,971.84x = 17,966.04 × 4,958.20
  4. Step 4: Simplify right side
    11,971.84x = 89,079,219.53
  5. Step 5: Solve for x
    x = 89,079,219.53/11,971.84
  6. Step 6: Final answer
    x = 7,440.73

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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.