Home / 11,619.78-16,026.34-7,836.95

Finding the Fourth Proportional to 11,619.78, 16,026.34 and 7,836.95

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Solution

The fourth proportional to 11,619.78, 16,026.34 and 7,836.95 is: 10,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.78 : 16,026.34 = 7,836.95 : x
  2. Step 2: Convert to fraction form
    11,619.78/16,026.34 = 7,836.95/x
  3. Step 3: Cross multiply
    11,619.78x = 16,026.34 × 7,836.95
  4. Step 4: Simplify right side
    11,619.78x = 125,597,505.95
  5. Step 5: Solve for x
    x = 125,597,505.95/11,619.78
  6. Step 6: Final answer
    x = 10,808.94

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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.