Home / 13,618.44-20,430.94-4,732.48

Finding the Fourth Proportional to 13,618.44, 20,430.94 and 4,732.48

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Solution

The fourth proportional to 13,618.44, 20,430.94 and 4,732.48 is: 7,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.44 : 20,430.94 = 4,732.48 : x
  2. Step 2: Convert to fraction form
    13,618.44/20,430.94 = 4,732.48/x
  3. Step 3: Cross multiply
    13,618.44x = 20,430.94 × 4,732.48
  4. Step 4: Simplify right side
    13,618.44x = 96,689,014.93
  5. Step 5: Solve for x
    x = 96,689,014.93/13,618.44
  6. Step 6: Final answer
    x = 7,099.86

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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.