Home / 11,647.13-16,072.88-6,341.94

Finding the Fourth Proportional to 11,647.13, 16,072.88 and 6,341.94

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Solution

The fourth proportional to 11,647.13, 16,072.88 and 6,341.94 is: 8,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.13 : 16,072.88 = 6,341.94 : x
  2. Step 2: Convert to fraction form
    11,647.13/16,072.88 = 6,341.94/x
  3. Step 3: Cross multiply
    11,647.13x = 16,072.88 × 6,341.94
  4. Step 4: Simplify right side
    11,647.13x = 101,933,208.88
  5. Step 5: Solve for x
    x = 101,933,208.88/11,647.13
  6. Step 6: Final answer
    x = 8,751.79

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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.