Home / 13,650.83-18,839.96-7,683.66

Finding the Fourth Proportional to 13,650.83, 18,839.96 and 7,683.66

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Solution

The fourth proportional to 13,650.83, 18,839.96 and 7,683.66 is: 10,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.83 : 18,839.96 = 7,683.66 : x
  2. Step 2: Convert to fraction form
    13,650.83/18,839.96 = 7,683.66/x
  3. Step 3: Cross multiply
    13,650.83x = 18,839.96 × 7,683.66
  4. Step 4: Simplify right side
    13,650.83x = 144,759,847.05
  5. Step 5: Solve for x
    x = 144,759,847.05/13,650.83
  6. Step 6: Final answer
    x = 10,604.47

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1.5x scale

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.