Home / 11,855.18-17,772.44-4,457.66

Finding the Fourth Proportional to 11,855.18, 17,772.44 and 4,457.66

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Solution

The fourth proportional to 11,855.18, 17,772.44 and 4,457.66 is: 6,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.18 : 17,772.44 = 4,457.66 : x
  2. Step 2: Convert to fraction form
    11,855.18/17,772.44 = 4,457.66/x
  3. Step 3: Cross multiply
    11,855.18x = 17,772.44 × 4,457.66
  4. Step 4: Simplify right side
    11,855.18x = 79,223,383.74
  5. Step 5: Solve for x
    x = 79,223,383.74/11,855.18
  6. Step 6: Final answer
    x = 6,682.60

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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.