Home / 11,804.32-16,295.12-7,976.80

Finding the Fourth Proportional to 11,804.32, 16,295.12 and 7,976.80

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Solution

The fourth proportional to 11,804.32, 16,295.12 and 7,976.80 is: 11,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.32 : 16,295.12 = 7,976.80 : x
  2. Step 2: Convert to fraction form
    11,804.32/16,295.12 = 7,976.80/x
  3. Step 3: Cross multiply
    11,804.32x = 16,295.12 × 7,976.80
  4. Step 4: Simplify right side
    11,804.32x = 129,982,913.22
  5. Step 5: Solve for x
    x = 129,982,913.22/11,804.32
  6. Step 6: Final answer
    x = 11,011.47

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Double scale
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Similar ratio
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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.