Home / 13,118.45-19,683.50-6,876.99

Finding the Fourth Proportional to 13,118.45, 19,683.50 and 6,876.99

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Solution

The fourth proportional to 13,118.45, 19,683.50 and 6,876.99 is: 10,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.45 : 19,683.50 = 6,876.99 : x
  2. Step 2: Convert to fraction form
    13,118.45/19,683.50 = 6,876.99/x
  3. Step 3: Cross multiply
    13,118.45x = 19,683.50 × 6,876.99
  4. Step 4: Simplify right side
    13,118.45x = 135,363,198.28
  5. Step 5: Solve for x
    x = 135,363,198.28/13,118.45
  6. Step 6: Final answer
    x = 10,318.54

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1.5x scale

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.