Home / 14,468.89-19,968.69-8,181.67

Finding the Fourth Proportional to 14,468.89, 19,968.69 and 8,181.67

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Solution

The fourth proportional to 14,468.89, 19,968.69 and 8,181.67 is: 11,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.89 : 19,968.69 = 8,181.67 : x
  2. Step 2: Convert to fraction form
    14,468.89/19,968.69 = 8,181.67/x
  3. Step 3: Cross multiply
    14,468.89x = 19,968.69 × 8,181.67
  4. Step 4: Simplify right side
    14,468.89x = 163,377,231.91
  5. Step 5: Solve for x
    x = 163,377,231.91/14,468.89
  6. Step 6: Final answer
    x = 11,291.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.