Home / 12,738.83-19,108.24-3,973.75

Finding the Fourth Proportional to 12,738.83, 19,108.24 and 3,973.75

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Solution

The fourth proportional to 12,738.83, 19,108.24 and 3,973.75 is: 5,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.83 : 19,108.24 = 3,973.75 : x
  2. Step 2: Convert to fraction form
    12,738.83/19,108.24 = 3,973.75/x
  3. Step 3: Cross multiply
    12,738.83x = 19,108.24 × 3,973.75
  4. Step 4: Simplify right side
    12,738.83x = 75,931,311.00
  5. Step 5: Solve for x
    x = 75,931,311.00/12,738.83
  6. Step 6: Final answer
    x = 5,960.62

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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.