Home / 19,709.92-29,542.74-12,968.56

Finding the Fourth Proportional to 19,709.92, 29,542.74 and 12,968.56

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Solution

The fourth proportional to 19,709.92, 29,542.74 and 12,968.56 is: 19,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.92 : 29,542.74 = 12,968.56 : x
  2. Step 2: Convert to fraction form
    19,709.92/29,542.74 = 12,968.56/x
  3. Step 3: Cross multiply
    19,709.92x = 29,542.74 × 12,968.56
  4. Step 4: Simplify right side
    19,709.92x = 383,126,796.25
  5. Step 5: Solve for x
    x = 383,126,796.25/19,709.92
  6. Step 6: Final answer
    x = 19,438.27

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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.