Home / 11,137.36-16,699.56-4,212.40

Finding the Fourth Proportional to 11,137.36, 16,699.56 and 4,212.40

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Solution

The fourth proportional to 11,137.36, 16,699.56 and 4,212.40 is: 6,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,137.36 : 16,699.56 = 4,212.40 : x
  2. Step 2: Convert to fraction form
    11,137.36/16,699.56 = 4,212.40/x
  3. Step 3: Cross multiply
    11,137.36x = 16,699.56 × 4,212.40
  4. Step 4: Simplify right side
    11,137.36x = 70,345,226.54
  5. Step 5: Solve for x
    x = 70,345,226.54/11,137.36
  6. Step 6: Final answer
    x = 6,316.15

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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.