Home / 17,939.14-26,912.80-5,460.93

Finding the Fourth Proportional to 17,939.14, 26,912.80 and 5,460.93

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Solution

The fourth proportional to 17,939.14, 26,912.80 and 5,460.93 is: 8,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.14 : 26,912.80 = 5,460.93 : x
  2. Step 2: Convert to fraction form
    17,939.14/26,912.80 = 5,460.93/x
  3. Step 3: Cross multiply
    17,939.14x = 26,912.80 × 5,460.93
  4. Step 4: Simplify right side
    17,939.14x = 146,968,916.90
  5. Step 5: Solve for x
    x = 146,968,916.90/17,939.14
  6. Step 6: Final answer
    x = 8,192.64

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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.