Home / 11,829.47-16,325.48-6,861.47

Finding the Fourth Proportional to 11,829.47, 16,325.48 and 6,861.47

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Solution

The fourth proportional to 11,829.47, 16,325.48 and 6,861.47 is: 9,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.47 : 16,325.48 = 6,861.47 : x
  2. Step 2: Convert to fraction form
    11,829.47/16,325.48 = 6,861.47/x
  3. Step 3: Cross multiply
    11,829.47x = 16,325.48 × 6,861.47
  4. Step 4: Simplify right side
    11,829.47x = 112,016,791.26
  5. Step 5: Solve for x
    x = 112,016,791.26/11,829.47
  6. Step 6: Final answer
    x = 9,469.30

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1.5x scale

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.