Home / 11,782.94-16,260.75-6,478.25

Finding the Fourth Proportional to 11,782.94, 16,260.75 and 6,478.25

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Solution

The fourth proportional to 11,782.94, 16,260.75 and 6,478.25 is: 8,940.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.94 : 16,260.75 = 6,478.25 : x
  2. Step 2: Convert to fraction form
    11,782.94/16,260.75 = 6,478.25/x
  3. Step 3: Cross multiply
    11,782.94x = 16,260.75 × 6,478.25
  4. Step 4: Simplify right side
    11,782.94x = 105,341,122.38
  5. Step 5: Solve for x
    x = 105,341,122.38/11,782.94
  6. Step 6: Final answer
    x = 8,940.14

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Half scale
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Double scale
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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.