Home / 19,851.26-29,749.34-8,741.30

Finding the Fourth Proportional to 19,851.26, 29,749.34 and 8,741.30

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Solution

The fourth proportional to 19,851.26, 29,749.34 and 8,741.30 is: 13,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.26 : 29,749.34 = 8,741.30 : x
  2. Step 2: Convert to fraction form
    19,851.26/29,749.34 = 8,741.30/x
  3. Step 3: Cross multiply
    19,851.26x = 29,749.34 × 8,741.30
  4. Step 4: Simplify right side
    19,851.26x = 260,047,778.85
  5. Step 5: Solve for x
    x = 260,047,778.85/19,851.26
  6. Step 6: Final answer
    x = 13,099.82

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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.