Home / 13,912.85-19,200.23-7,625.22

Finding the Fourth Proportional to 13,912.85, 19,200.23 and 7,625.22

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Solution

The fourth proportional to 13,912.85, 19,200.23 and 7,625.22 is: 10,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.85 : 19,200.23 = 7,625.22 : x
  2. Step 2: Convert to fraction form
    13,912.85/19,200.23 = 7,625.22/x
  3. Step 3: Cross multiply
    13,912.85x = 19,200.23 × 7,625.22
  4. Step 4: Simplify right side
    13,912.85x = 146,405,939.67
  5. Step 5: Solve for x
    x = 146,405,939.67/13,912.85
  6. Step 6: Final answer
    x = 10,523.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.