Home / 11,818.89-17,728.74-4,027.50

Finding the Fourth Proportional to 11,818.89, 17,728.74 and 4,027.50

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Solution

The fourth proportional to 11,818.89, 17,728.74 and 4,027.50 is: 6,041.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.89 : 17,728.74 = 4,027.50 : x
  2. Step 2: Convert to fraction form
    11,818.89/17,728.74 = 4,027.50/x
  3. Step 3: Cross multiply
    11,818.89x = 17,728.74 × 4,027.50
  4. Step 4: Simplify right side
    11,818.89x = 71,402,500.35
  5. Step 5: Solve for x
    x = 71,402,500.35/11,818.89
  6. Step 6: Final answer
    x = 6,041.39

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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.