Home / 13,704.89-20,559.93-4,347.27

Finding the Fourth Proportional to 13,704.89, 20,559.93 and 4,347.27

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Solution

The fourth proportional to 13,704.89, 20,559.93 and 4,347.27 is: 6,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.89 : 20,559.93 = 4,347.27 : x
  2. Step 2: Convert to fraction form
    13,704.89/20,559.93 = 4,347.27/x
  3. Step 3: Cross multiply
    13,704.89x = 20,559.93 × 4,347.27
  4. Step 4: Simplify right side
    13,704.89x = 89,379,466.44
  5. Step 5: Solve for x
    x = 89,379,466.44/13,704.89
  6. Step 6: Final answer
    x = 6,521.72

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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.