Home / 19,678.62-29,521.56-8,000.04

Finding the Fourth Proportional to 19,678.62, 29,521.56 and 8,000.04

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Solution

The fourth proportional to 19,678.62, 29,521.56 and 8,000.04 is: 12,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.62 : 29,521.56 = 8,000.04 : x
  2. Step 2: Convert to fraction form
    19,678.62/29,521.56 = 8,000.04/x
  3. Step 3: Cross multiply
    19,678.62x = 29,521.56 × 8,000.04
  4. Step 4: Simplify right side
    19,678.62x = 236,173,660.86
  5. Step 5: Solve for x
    x = 236,173,660.86/19,678.62
  6. Step 6: Final answer
    x = 12,001.54

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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.