Home / 13,623.18-20,435.94-4,855.92

Finding the Fourth Proportional to 13,623.18, 20,435.94 and 4,855.92

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Solution

The fourth proportional to 13,623.18, 20,435.94 and 4,855.92 is: 7,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.18 : 20,435.94 = 4,855.92 : x
  2. Step 2: Convert to fraction form
    13,623.18/20,435.94 = 4,855.92/x
  3. Step 3: Cross multiply
    13,623.18x = 20,435.94 × 4,855.92
  4. Step 4: Simplify right side
    13,623.18x = 99,235,289.76
  5. Step 5: Solve for x
    x = 99,235,289.76/13,623.18
  6. Step 6: Final answer
    x = 7,284.30

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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.