Home / 14,242.37-21,361.79-8,906.02

Finding the Fourth Proportional to 14,242.37, 21,361.79 and 8,906.02

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Solution

The fourth proportional to 14,242.37, 21,361.79 and 8,906.02 is: 13,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.37 : 21,361.79 = 8,906.02 : x
  2. Step 2: Convert to fraction form
    14,242.37/21,361.79 = 8,906.02/x
  3. Step 3: Cross multiply
    14,242.37x = 21,361.79 × 8,906.02
  4. Step 4: Simplify right side
    14,242.37x = 190,248,396.42
  5. Step 5: Solve for x
    x = 190,248,396.42/14,242.37
  6. Step 6: Final answer
    x = 13,357.92

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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.