Home / 13,099.85-19,650.93-3,739.69

Finding the Fourth Proportional to 13,099.85, 19,650.93 and 3,739.69

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Solution

The fourth proportional to 13,099.85, 19,650.93 and 3,739.69 is: 5,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.85 : 19,650.93 = 3,739.69 : x
  2. Step 2: Convert to fraction form
    13,099.85/19,650.93 = 3,739.69/x
  3. Step 3: Cross multiply
    13,099.85x = 19,650.93 × 3,739.69
  4. Step 4: Simplify right side
    13,099.85x = 73,488,386.41
  5. Step 5: Solve for x
    x = 73,488,386.41/13,099.85
  6. Step 6: Final answer
    x = 5,609.86

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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.