Home / 13,685.08-18,884.46-8,095

Finding the Fourth Proportional to 13,685.08, 18,884.46 and 8,095

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Solution

The fourth proportional to 13,685.08, 18,884.46 and 8,095 is: 11,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.08 : 18,884.46 = 8,095 : x
  2. Step 2: Convert to fraction form
    13,685.08/18,884.46 = 8,095/x
  3. Step 3: Cross multiply
    13,685.08x = 18,884.46 × 8,095
  4. Step 4: Simplify right side
    13,685.08x = 152,869,703.70
  5. Step 5: Solve for x
    x = 152,869,703.70/13,685.08
  6. Step 6: Final answer
    x = 11,170.54

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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.