Home / 19,099.15-28,610.37-9,738.79

Finding the Fourth Proportional to 19,099.15, 28,610.37 and 9,738.79

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Solution

The fourth proportional to 19,099.15, 28,610.37 and 9,738.79 is: 14,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.15 : 28,610.37 = 9,738.79 : x
  2. Step 2: Convert to fraction form
    19,099.15/28,610.37 = 9,738.79/x
  3. Step 3: Cross multiply
    19,099.15x = 28,610.37 × 9,738.79
  4. Step 4: Simplify right side
    19,099.15x = 278,630,385.25
  5. Step 5: Solve for x
    x = 278,630,385.25/19,099.15
  6. Step 6: Final answer
    x = 14,588.63

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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.