Home / 12,595.30-18,893.99-3,830.29

Finding the Fourth Proportional to 12,595.30, 18,893.99 and 3,830.29

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Solution

The fourth proportional to 12,595.30, 18,893.99 and 3,830.29 is: 5,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.30 : 18,893.99 = 3,830.29 : x
  2. Step 2: Convert to fraction form
    12,595.30/18,893.99 = 3,830.29/x
  3. Step 3: Cross multiply
    12,595.30x = 18,893.99 × 3,830.29
  4. Step 4: Simplify right side
    12,595.30x = 72,369,423.30
  5. Step 5: Solve for x
    x = 72,369,423.30/12,595.30
  6. Step 6: Final answer
    x = 5,745.75

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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.