Home / 14,138.62-21,211.37-4,277.34

Finding the Fourth Proportional to 14,138.62, 21,211.37 and 4,277.34

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Solution

The fourth proportional to 14,138.62, 21,211.37 and 4,277.34 is: 6,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.62 : 21,211.37 = 4,277.34 : x
  2. Step 2: Convert to fraction form
    14,138.62/21,211.37 = 4,277.34/x
  3. Step 3: Cross multiply
    14,138.62x = 21,211.37 × 4,277.34
  4. Step 4: Simplify right side
    14,138.62x = 90,728,236.01
  5. Step 5: Solve for x
    x = 90,728,236.01/14,138.62
  6. Step 6: Final answer
    x = 6,417.05

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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.