Home / 19,388.32-29,079.72-6,241.84

Finding the Fourth Proportional to 19,388.32, 29,079.72 and 6,241.84

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Solution

The fourth proportional to 19,388.32, 29,079.72 and 6,241.84 is: 9,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388.32 : 29,079.72 = 6,241.84 : x
  2. Step 2: Convert to fraction form
    19,388.32/29,079.72 = 6,241.84/x
  3. Step 3: Cross multiply
    19,388.32x = 29,079.72 × 6,241.84
  4. Step 4: Simplify right side
    19,388.32x = 181,510,959.48
  5. Step 5: Solve for x
    x = 181,510,959.48/19,388.32
  6. Step 6: Final answer
    x = 9,361.87

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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.