Home / 15,305.45-22,958.67-4,212.09

Finding the Fourth Proportional to 15,305.45, 22,958.67 and 4,212.09

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Solution

The fourth proportional to 15,305.45, 22,958.67 and 4,212.09 is: 6,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.45 : 22,958.67 = 4,212.09 : x
  2. Step 2: Convert to fraction form
    15,305.45/22,958.67 = 4,212.09/x
  3. Step 3: Cross multiply
    15,305.45x = 22,958.67 × 4,212.09
  4. Step 4: Simplify right side
    15,305.45x = 96,703,984.32
  5. Step 5: Solve for x
    x = 96,703,984.32/15,305.45
  6. Step 6: Final answer
    x = 6,318.27

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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.