Home / 10,813.36-16,222.40-3,316.96

Finding the Fourth Proportional to 10,813.36, 16,222.40 and 3,316.96

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Solution

The fourth proportional to 10,813.36, 16,222.40 and 3,316.96 is: 4,976.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.36 : 16,222.40 = 3,316.96 : x
  2. Step 2: Convert to fraction form
    10,813.36/16,222.40 = 3,316.96/x
  3. Step 3: Cross multiply
    10,813.36x = 16,222.40 × 3,316.96
  4. Step 4: Simplify right side
    10,813.36x = 53,809,051.90
  5. Step 5: Solve for x
    x = 53,809,051.90/10,813.36
  6. Step 6: Final answer
    x = 4,976.16

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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.