Home / 11,391.93-17,052.34-8,393.36

Finding the Fourth Proportional to 11,391.93, 17,052.34 and 8,393.36

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Solution

The fourth proportional to 11,391.93, 17,052.34 and 8,393.36 is: 12,563.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,391.93 : 17,052.34 = 8,393.36 : x
  2. Step 2: Convert to fraction form
    11,391.93/17,052.34 = 8,393.36/x
  3. Step 3: Cross multiply
    11,391.93x = 17,052.34 × 8,393.36
  4. Step 4: Simplify right side
    11,391.93x = 143,126,428.46
  5. Step 5: Solve for x
    x = 143,126,428.46/11,391.93
  6. Step 6: Final answer
    x = 12,563.84

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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.