Home / 19,188.10-28,786.08-8,094.82

Finding the Fourth Proportional to 19,188.10, 28,786.08 and 8,094.82

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Solution

The fourth proportional to 19,188.10, 28,786.08 and 8,094.82 is: 12,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.10 : 28,786.08 = 8,094.82 : x
  2. Step 2: Convert to fraction form
    19,188.10/28,786.08 = 8,094.82/x
  3. Step 3: Cross multiply
    19,188.10x = 28,786.08 × 8,094.82
  4. Step 4: Simplify right side
    19,188.10x = 233,018,136.11
  5. Step 5: Solve for x
    x = 233,018,136.11/19,188.10
  6. Step 6: Final answer
    x = 12,143.89

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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.