Home / 19,361.79-29,027.05-7,509.45

Finding the Fourth Proportional to 19,361.79, 29,027.05 and 7,509.45

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Solution

The fourth proportional to 19,361.79, 29,027.05 and 7,509.45 is: 11,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.79 : 29,027.05 = 7,509.45 : x
  2. Step 2: Convert to fraction form
    19,361.79/29,027.05 = 7,509.45/x
  3. Step 3: Cross multiply
    19,361.79x = 29,027.05 × 7,509.45
  4. Step 4: Simplify right side
    19,361.79x = 217,977,103.56
  5. Step 5: Solve for x
    x = 217,977,103.56/19,361.79
  6. Step 6: Final answer
    x = 11,258.11

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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.