Home / 11,385.84-17,079.99-4,371.80

Finding the Fourth Proportional to 11,385.84, 17,079.99 and 4,371.80

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Solution

The fourth proportional to 11,385.84, 17,079.99 and 4,371.80 is: 6,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.84 : 17,079.99 = 4,371.80 : x
  2. Step 2: Convert to fraction form
    11,385.84/17,079.99 = 4,371.80/x
  3. Step 3: Cross multiply
    11,385.84x = 17,079.99 × 4,371.80
  4. Step 4: Simplify right side
    11,385.84x = 74,670,258.82
  5. Step 5: Solve for x
    x = 74,670,258.82/11,385.84
  6. Step 6: Final answer
    x = 6,558.17

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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.