Home / 12,710.21-19,065.21-3,825.50

Finding the Fourth Proportional to 12,710.21, 19,065.21 and 3,825.50

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Solution

The fourth proportional to 12,710.21, 19,065.21 and 3,825.50 is: 5,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.21 : 19,065.21 = 3,825.50 : x
  2. Step 2: Convert to fraction form
    12,710.21/19,065.21 = 3,825.50/x
  3. Step 3: Cross multiply
    12,710.21x = 19,065.21 × 3,825.50
  4. Step 4: Simplify right side
    12,710.21x = 72,933,951.37
  5. Step 5: Solve for x
    x = 72,933,951.37/12,710.21
  6. Step 6: Final answer
    x = 5,738.22

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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.