Home / 11,089.74-16,632.72-3,693.36

Finding the Fourth Proportional to 11,089.74, 16,632.72 and 3,693.36

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Solution

The fourth proportional to 11,089.74, 16,632.72 and 3,693.36 is: 5,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.74 : 16,632.72 = 3,693.36 : x
  2. Step 2: Convert to fraction form
    11,089.74/16,632.72 = 3,693.36/x
  3. Step 3: Cross multiply
    11,089.74x = 16,632.72 × 3,693.36
  4. Step 4: Simplify right side
    11,089.74x = 61,430,622.74
  5. Step 5: Solve for x
    x = 61,430,622.74/11,089.74
  6. Step 6: Final answer
    x = 5,539.41

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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.