Home / 11,361.36-15,678.36-6,325.44

Finding the Fourth Proportional to 11,361.36, 15,678.36 and 6,325.44

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Solution

The fourth proportional to 11,361.36, 15,678.36 and 6,325.44 is: 8,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.36 : 15,678.36 = 6,325.44 : x
  2. Step 2: Convert to fraction form
    11,361.36/15,678.36 = 6,325.44/x
  3. Step 3: Cross multiply
    11,361.36x = 15,678.36 × 6,325.44
  4. Step 4: Simplify right side
    11,361.36x = 99,172,525.48
  5. Step 5: Solve for x
    x = 99,172,525.48/11,361.36
  6. Step 6: Final answer
    x = 8,728.93

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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.