Home / 13,898.15-19,179.56-8,233.22

Finding the Fourth Proportional to 13,898.15, 19,179.56 and 8,233.22

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Solution

The fourth proportional to 13,898.15, 19,179.56 and 8,233.22 is: 11,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.15 : 19,179.56 = 8,233.22 : x
  2. Step 2: Convert to fraction form
    13,898.15/19,179.56 = 8,233.22/x
  3. Step 3: Cross multiply
    13,898.15x = 19,179.56 × 8,233.22
  4. Step 4: Simplify right side
    13,898.15x = 157,909,536.98
  5. Step 5: Solve for x
    x = 157,909,536.98/13,898.15
  6. Step 6: Final answer
    x = 11,361.91

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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.