Home / 12,912.72-19,364.97-5,014.68

Finding the Fourth Proportional to 12,912.72, 19,364.97 and 5,014.68

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Solution

The fourth proportional to 12,912.72, 19,364.97 and 5,014.68 is: 7,520.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,912.72 : 19,364.97 = 5,014.68 : x
  2. Step 2: Convert to fraction form
    12,912.72/19,364.97 = 5,014.68/x
  3. Step 3: Cross multiply
    12,912.72x = 19,364.97 × 5,014.68
  4. Step 4: Simplify right side
    12,912.72x = 97,109,237.34
  5. Step 5: Solve for x
    x = 97,109,237.34/12,912.72
  6. Step 6: Final answer
    x = 7,520.43

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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.