Home / 11,836.38-16,335.60-7,858.46

Finding the Fourth Proportional to 11,836.38, 16,335.60 and 7,858.46

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Solution

The fourth proportional to 11,836.38, 16,335.60 and 7,858.46 is: 10,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.38 : 16,335.60 = 7,858.46 : x
  2. Step 2: Convert to fraction form
    11,836.38/16,335.60 = 7,858.46/x
  3. Step 3: Cross multiply
    11,836.38x = 16,335.60 × 7,858.46
  4. Step 4: Simplify right side
    11,836.38x = 128,372,659.18
  5. Step 5: Solve for x
    x = 128,372,659.18/11,836.38
  6. Step 6: Final answer
    x = 10,845.60

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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.