Home / 11,055.44-16,558.82-7,148

Finding the Fourth Proportional to 11,055.44, 16,558.82 and 7,148

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Solution

The fourth proportional to 11,055.44, 16,558.82 and 7,148 is: 10,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.44 : 16,558.82 = 7,148 : x
  2. Step 2: Convert to fraction form
    11,055.44/16,558.82 = 7,148/x
  3. Step 3: Cross multiply
    11,055.44x = 16,558.82 × 7,148
  4. Step 4: Simplify right side
    11,055.44x = 118,362,445.36
  5. Step 5: Solve for x
    x = 118,362,445.36/11,055.44
  6. Step 6: Final answer
    x = 10,706.26

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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.