Home / 11,647.26-16,072.02-6,930.72

Finding the Fourth Proportional to 11,647.26, 16,072.02 and 6,930.72

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Solution

The fourth proportional to 11,647.26, 16,072.02 and 6,930.72 is: 9,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.26 : 16,072.02 = 6,930.72 : x
  2. Step 2: Convert to fraction form
    11,647.26/16,072.02 = 6,930.72/x
  3. Step 3: Cross multiply
    11,647.26x = 16,072.02 × 6,930.72
  4. Step 4: Simplify right side
    11,647.26x = 111,390,670.45
  5. Step 5: Solve for x
    x = 111,390,670.45/11,647.26
  6. Step 6: Final answer
    x = 9,563.68

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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.