Home / 14,450.39-21,680.21-6,137.39

Finding the Fourth Proportional to 14,450.39, 21,680.21 and 6,137.39

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Solution

The fourth proportional to 14,450.39, 21,680.21 and 6,137.39 is: 9,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.39 : 21,680.21 = 6,137.39 : x
  2. Step 2: Convert to fraction form
    14,450.39/21,680.21 = 6,137.39/x
  3. Step 3: Cross multiply
    14,450.39x = 21,680.21 × 6,137.39
  4. Step 4: Simplify right side
    14,450.39x = 133,059,904.05
  5. Step 5: Solve for x
    x = 133,059,904.05/14,450.39
  6. Step 6: Final answer
    x = 9,208.05

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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.