Home / 12,623.39-18,933.35-6,697.69

Finding the Fourth Proportional to 12,623.39, 18,933.35 and 6,697.69

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Solution

The fourth proportional to 12,623.39, 18,933.35 and 6,697.69 is: 10,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.39 : 18,933.35 = 6,697.69 : x
  2. Step 2: Convert to fraction form
    12,623.39/18,933.35 = 6,697.69/x
  3. Step 3: Cross multiply
    12,623.39x = 18,933.35 × 6,697.69
  4. Step 4: Simplify right side
    12,623.39x = 126,809,628.14
  5. Step 5: Solve for x
    x = 126,809,628.14/12,623.39
  6. Step 6: Final answer
    x = 10,045.60

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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.