Home / 10,394.72-14,340-6,412.64

Finding the Fourth Proportional to 10,394.72, 14,340 and 6,412.64

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Solution

The fourth proportional to 10,394.72, 14,340 and 6,412.64 is: 8,846.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.72 : 14,340 = 6,412.64 : x
  2. Step 2: Convert to fraction form
    10,394.72/14,340 = 6,412.64/x
  3. Step 3: Cross multiply
    10,394.72x = 14,340 × 6,412.64
  4. Step 4: Simplify right side
    10,394.72x = 91,957,257.60
  5. Step 5: Solve for x
    x = 91,957,257.60/10,394.72
  6. Step 6: Final answer
    x = 8,846.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.