Home / 18,185.13-27,277.60-4,676.28

Finding the Fourth Proportional to 18,185.13, 27,277.60 and 4,676.28

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Solution

The fourth proportional to 18,185.13, 27,277.60 and 4,676.28 is: 7,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.13 : 27,277.60 = 4,676.28 : x
  2. Step 2: Convert to fraction form
    18,185.13/27,277.60 = 4,676.28/x
  3. Step 3: Cross multiply
    18,185.13x = 27,277.60 × 4,676.28
  4. Step 4: Simplify right side
    18,185.13x = 127,557,671.95
  5. Step 5: Solve for x
    x = 127,557,671.95/18,185.13
  6. Step 6: Final answer
    x = 7,014.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.