Home / 11,965.84-17,948.96-6,118.86

Finding the Fourth Proportional to 11,965.84, 17,948.96 and 6,118.86

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Solution

The fourth proportional to 11,965.84, 17,948.96 and 6,118.86 is: 9,178.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.84 : 17,948.96 = 6,118.86 : x
  2. Step 2: Convert to fraction form
    11,965.84/17,948.96 = 6,118.86/x
  3. Step 3: Cross multiply
    11,965.84x = 17,948.96 × 6,118.86
  4. Step 4: Simplify right side
    11,965.84x = 109,827,173.39
  5. Step 5: Solve for x
    x = 109,827,173.39/11,965.84
  6. Step 6: Final answer
    x = 9,178.39

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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.