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Finding the Fourth Proportional to 15,999.81, 23,998.83 and 4,906.50

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Solution

The fourth proportional to 15,999.81, 23,998.83 and 4,906.50 is: 7,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.81 : 23,998.83 = 4,906.50 : x
  2. Step 2: Convert to fraction form
    15,999.81/23,998.83 = 4,906.50/x
  3. Step 3: Cross multiply
    15,999.81x = 23,998.83 × 4,906.50
  4. Step 4: Simplify right side
    15,999.81x = 117,750,259.40
  5. Step 5: Solve for x
    x = 117,750,259.40/15,999.81
  6. Step 6: Final answer
    x = 7,359.48

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1.5x scale

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.