Home / 12,269.32-18,406.44-3,950.20

Finding the Fourth Proportional to 12,269.32, 18,406.44 and 3,950.20

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Solution

The fourth proportional to 12,269.32, 18,406.44 and 3,950.20 is: 5,926.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.32 : 18,406.44 = 3,950.20 : x
  2. Step 2: Convert to fraction form
    12,269.32/18,406.44 = 3,950.20/x
  3. Step 3: Cross multiply
    12,269.32x = 18,406.44 × 3,950.20
  4. Step 4: Simplify right side
    12,269.32x = 72,709,119.29
  5. Step 5: Solve for x
    x = 72,709,119.29/12,269.32
  6. Step 6: Final answer
    x = 5,926.09

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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.