Home / 12,623.70-18,949.39-5,233.35

Finding the Fourth Proportional to 12,623.70, 18,949.39 and 5,233.35

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Solution

The fourth proportional to 12,623.70, 18,949.39 and 5,233.35 is: 7,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.70 : 18,949.39 = 5,233.35 : x
  2. Step 2: Convert to fraction form
    12,623.70/18,949.39 = 5,233.35/x
  3. Step 3: Cross multiply
    12,623.70x = 18,949.39 × 5,233.35
  4. Step 4: Simplify right side
    12,623.70x = 99,168,744.33
  5. Step 5: Solve for x
    x = 99,168,744.33/12,623.70
  6. Step 6: Final answer
    x = 7,855.76

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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.