Home / 13,912.34-20,895.95-11,953.96

Finding the Fourth Proportional to 13,912.34, 20,895.95 and 11,953.96

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Solution

The fourth proportional to 13,912.34, 20,895.95 and 11,953.96 is: 17,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.34 : 20,895.95 = 11,953.96 : x
  2. Step 2: Convert to fraction form
    13,912.34/20,895.95 = 11,953.96/x
  3. Step 3: Cross multiply
    13,912.34x = 20,895.95 × 11,953.96
  4. Step 4: Simplify right side
    13,912.34x = 249,789,361.64
  5. Step 5: Solve for x
    x = 249,789,361.64/13,912.34
  6. Step 6: Final answer
    x = 17,954.52

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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.