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Finding the Fourth Proportional to 23,199, 34,798.50 and 6,783

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Solution

The fourth proportional to 23,199, 34,798.50 and 6,783 is: 10,174.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199 : 34,798.50 = 6,783 : x
  2. Step 2: Convert to fraction form
    23,199/34,798.50 = 6,783/x
  3. Step 3: Cross multiply
    23,199x = 34,798.50 × 6,783
  4. Step 4: Simplify right side
    23,199x = 236,038,225.50
  5. Step 5: Solve for x
    x = 236,038,225.50/23,199
  6. Step 6: Final answer
    x = 10,174.50

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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.