Home / 13,674.08-18,869.26-8,084

Finding the Fourth Proportional to 13,674.08, 18,869.26 and 8,084

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Solution

The fourth proportional to 13,674.08, 18,869.26 and 8,084 is: 11,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.08 : 18,869.26 = 8,084 : x
  2. Step 2: Convert to fraction form
    13,674.08/18,869.26 = 8,084/x
  3. Step 3: Cross multiply
    13,674.08x = 18,869.26 × 8,084
  4. Step 4: Simplify right side
    13,674.08x = 152,539,097.84
  5. Step 5: Solve for x
    x = 152,539,097.84/13,674.08
  6. Step 6: Final answer
    x = 11,155.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.