Home / 11,438.44-17,154.90-3,118.50

Finding the Fourth Proportional to 11,438.44, 17,154.90 and 3,118.50

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Solution

The fourth proportional to 11,438.44, 17,154.90 and 3,118.50 is: 4,677.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.44 : 17,154.90 = 3,118.50 : x
  2. Step 2: Convert to fraction form
    11,438.44/17,154.90 = 3,118.50/x
  3. Step 3: Cross multiply
    11,438.44x = 17,154.90 × 3,118.50
  4. Step 4: Simplify right side
    11,438.44x = 53,497,555.65
  5. Step 5: Solve for x
    x = 53,497,555.65/11,438.44
  6. Step 6: Final answer
    x = 4,677.00

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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.