Home / 19,390.96-29,048.37-12,797.02

Finding the Fourth Proportional to 19,390.96, 29,048.37 and 12,797.02

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Solution

The fourth proportional to 19,390.96, 29,048.37 and 12,797.02 is: 19,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.96 : 29,048.37 = 12,797.02 : x
  2. Step 2: Convert to fraction form
    19,390.96/29,048.37 = 12,797.02/x
  3. Step 3: Cross multiply
    19,390.96x = 29,048.37 × 12,797.02
  4. Step 4: Simplify right side
    19,390.96x = 371,732,571.86
  5. Step 5: Solve for x
    x = 371,732,571.86/19,390.96
  6. Step 6: Final answer
    x = 19,170.41

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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.