Home / 19,486.44-29,184.84-11,678.04

Finding the Fourth Proportional to 19,486.44, 29,184.84 and 11,678.04

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Solution

The fourth proportional to 19,486.44, 29,184.84 and 11,678.04 is: 17,490.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.44 : 29,184.84 = 11,678.04 : x
  2. Step 2: Convert to fraction form
    19,486.44/29,184.84 = 11,678.04/x
  3. Step 3: Cross multiply
    19,486.44x = 29,184.84 × 11,678.04
  4. Step 4: Simplify right side
    19,486.44x = 340,821,728.91
  5. Step 5: Solve for x
    x = 340,821,728.91/19,486.44
  6. Step 6: Final answer
    x = 17,490.20

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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.