Home / 13,851.93-20,777.18-4,491.81

Finding the Fourth Proportional to 13,851.93, 20,777.18 and 4,491.81

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Solution

The fourth proportional to 13,851.93, 20,777.18 and 4,491.81 is: 6,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.93 : 20,777.18 = 4,491.81 : x
  2. Step 2: Convert to fraction form
    13,851.93/20,777.18 = 4,491.81/x
  3. Step 3: Cross multiply
    13,851.93x = 20,777.18 × 4,491.81
  4. Step 4: Simplify right side
    13,851.93x = 93,327,122.44
  5. Step 5: Solve for x
    x = 93,327,122.44/13,851.93
  6. Step 6: Final answer
    x = 6,737.48

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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.