Home / 13,787.44-20,683.06-4,425.26

Finding the Fourth Proportional to 13,787.44, 20,683.06 and 4,425.26

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Solution

The fourth proportional to 13,787.44, 20,683.06 and 4,425.26 is: 6,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.44 : 20,683.06 = 4,425.26 : x
  2. Step 2: Convert to fraction form
    13,787.44/20,683.06 = 4,425.26/x
  3. Step 3: Cross multiply
    13,787.44x = 20,683.06 × 4,425.26
  4. Step 4: Simplify right side
    13,787.44x = 91,527,803.62
  5. Step 5: Solve for x
    x = 91,527,803.62/13,787.44
  6. Step 6: Final answer
    x = 6,638.49

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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.