Home / 11,903.25-17,855.70-4,977.75

Finding the Fourth Proportional to 11,903.25, 17,855.70 and 4,977.75

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Solution

The fourth proportional to 11,903.25, 17,855.70 and 4,977.75 is: 7,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.25 : 17,855.70 = 4,977.75 : x
  2. Step 2: Convert to fraction form
    11,903.25/17,855.70 = 4,977.75/x
  3. Step 3: Cross multiply
    11,903.25x = 17,855.70 × 4,977.75
  4. Step 4: Simplify right side
    11,903.25x = 88,881,210.68
  5. Step 5: Solve for x
    x = 88,881,210.68/11,903.25
  6. Step 6: Final answer
    x = 7,466.97

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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.