Home / 12,623.85-18,912.69-10,650.29

Finding the Fourth Proportional to 12,623.85, 18,912.69 and 10,650.29

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Solution

The fourth proportional to 12,623.85, 18,912.69 and 10,650.29 is: 15,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.85 : 18,912.69 = 10,650.29 : x
  2. Step 2: Convert to fraction form
    12,623.85/18,912.69 = 10,650.29/x
  3. Step 3: Cross multiply
    12,623.85x = 18,912.69 × 10,650.29
  4. Step 4: Simplify right side
    12,623.85x = 201,425,538.62
  5. Step 5: Solve for x
    x = 201,425,538.62/12,623.85
  6. Step 6: Final answer
    x = 15,955.95

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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.