Home / 9,830.12-14,745.08-3,985.34

Finding the Fourth Proportional to 9,830.12, 14,745.08 and 3,985.34

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Solution

The fourth proportional to 9,830.12, 14,745.08 and 3,985.34 is: 5,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.12 : 14,745.08 = 3,985.34 : x
  2. Step 2: Convert to fraction form
    9,830.12/14,745.08 = 3,985.34/x
  3. Step 3: Cross multiply
    9,830.12x = 14,745.08 × 3,985.34
  4. Step 4: Simplify right side
    9,830.12x = 58,764,093.37
  5. Step 5: Solve for x
    x = 58,764,093.37/9,830.12
  6. Step 6: Final answer
    x = 5,977.97

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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.