Home / 12,950.20-19,421.14-4,183.08

Finding the Fourth Proportional to 12,950.20, 19,421.14 and 4,183.08

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Solution

The fourth proportional to 12,950.20, 19,421.14 and 4,183.08 is: 6,273.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.20 : 19,421.14 = 4,183.08 : x
  2. Step 2: Convert to fraction form
    12,950.20/19,421.14 = 4,183.08/x
  3. Step 3: Cross multiply
    12,950.20x = 19,421.14 × 4,183.08
  4. Step 4: Simplify right side
    12,950.20x = 81,240,182.31
  5. Step 5: Solve for x
    x = 81,240,182.31/12,950.20
  6. Step 6: Final answer
    x = 6,273.28

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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.