Home / 13,436.18-20,154.31-4,076.27

Finding the Fourth Proportional to 13,436.18, 20,154.31 and 4,076.27

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Solution

The fourth proportional to 13,436.18, 20,154.31 and 4,076.27 is: 6,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.18 : 20,154.31 = 4,076.27 : x
  2. Step 2: Convert to fraction form
    13,436.18/20,154.31 = 4,076.27/x
  3. Step 3: Cross multiply
    13,436.18x = 20,154.31 × 4,076.27
  4. Step 4: Simplify right side
    13,436.18x = 82,154,464.70
  5. Step 5: Solve for x
    x = 82,154,464.70/13,436.18
  6. Step 6: Final answer
    x = 6,114.42

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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.