Home / 11,382.98-15,705.77-6,906.60

Finding the Fourth Proportional to 11,382.98, 15,705.77 and 6,906.60

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Solution

The fourth proportional to 11,382.98, 15,705.77 and 6,906.60 is: 9,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,382.98 : 15,705.77 = 6,906.60 : x
  2. Step 2: Convert to fraction form
    11,382.98/15,705.77 = 6,906.60/x
  3. Step 3: Cross multiply
    11,382.98x = 15,705.77 × 6,906.60
  4. Step 4: Simplify right side
    11,382.98x = 108,473,436.55
  5. Step 5: Solve for x
    x = 108,473,436.55/11,382.98
  6. Step 6: Final answer
    x = 9,529.45

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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.