Home / 11,289.74-16,918.47-6,349.01

Finding the Fourth Proportional to 11,289.74, 16,918.47 and 6,349.01

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Solution

The fourth proportional to 11,289.74, 16,918.47 and 6,349.01 is: 9,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.74 : 16,918.47 = 6,349.01 : x
  2. Step 2: Convert to fraction form
    11,289.74/16,918.47 = 6,349.01/x
  3. Step 3: Cross multiply
    11,289.74x = 16,918.47 × 6,349.01
  4. Step 4: Simplify right side
    11,289.74x = 107,415,450.62
  5. Step 5: Solve for x
    x = 107,415,450.62/11,289.74
  6. Step 6: Final answer
    x = 9,514.44

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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.