Home / 17,478.86-26,203.78-6,942.38

Finding the Fourth Proportional to 17,478.86, 26,203.78 and 6,942.38

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Solution

The fourth proportional to 17,478.86, 26,203.78 and 6,942.38 is: 10,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.86 : 26,203.78 = 6,942.38 : x
  2. Step 2: Convert to fraction form
    17,478.86/26,203.78 = 6,942.38/x
  3. Step 3: Cross multiply
    17,478.86x = 26,203.78 × 6,942.38
  4. Step 4: Simplify right side
    17,478.86x = 181,916,563.48
  5. Step 5: Solve for x
    x = 181,916,563.48/17,478.86
  6. Step 6: Final answer
    x = 10,407.80

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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.