Home / 11,795.19-16,284.06-7,821.66

Finding the Fourth Proportional to 11,795.19, 16,284.06 and 7,821.66

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Solution

The fourth proportional to 11,795.19, 16,284.06 and 7,821.66 is: 10,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,795.19 : 16,284.06 = 7,821.66 : x
  2. Step 2: Convert to fraction form
    11,795.19/16,284.06 = 7,821.66/x
  3. Step 3: Cross multiply
    11,795.19x = 16,284.06 × 7,821.66
  4. Step 4: Simplify right side
    11,795.19x = 127,368,380.74
  5. Step 5: Solve for x
    x = 127,368,380.74/11,795.19
  6. Step 6: Final answer
    x = 10,798.33

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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.