Home / 18,848.33-28,271.73-4,808.70

Finding the Fourth Proportional to 18,848.33, 28,271.73 and 4,808.70

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Solution

The fourth proportional to 18,848.33, 28,271.73 and 4,808.70 is: 7,212.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.33 : 28,271.73 = 4,808.70 : x
  2. Step 2: Convert to fraction form
    18,848.33/28,271.73 = 4,808.70/x
  3. Step 3: Cross multiply
    18,848.33x = 28,271.73 × 4,808.70
  4. Step 4: Simplify right side
    18,848.33x = 135,950,268.05
  5. Step 5: Solve for x
    x = 135,950,268.05/18,848.33
  6. Step 6: Final answer
    x = 7,212.85

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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.