Home / 13,941.23-20,915.08-4,080.69

Finding the Fourth Proportional to 13,941.23, 20,915.08 and 4,080.69

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Solution

The fourth proportional to 13,941.23, 20,915.08 and 4,080.69 is: 6,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.23 : 20,915.08 = 4,080.69 : x
  2. Step 2: Convert to fraction form
    13,941.23/20,915.08 = 4,080.69/x
  3. Step 3: Cross multiply
    13,941.23x = 20,915.08 × 4,080.69
  4. Step 4: Simplify right side
    13,941.23x = 85,347,947.60
  5. Step 5: Solve for x
    x = 85,347,947.60/13,941.23
  6. Step 6: Final answer
    x = 6,121.98

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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.