Home / 12,327.08-18,488.19-3,559.64

Finding the Fourth Proportional to 12,327.08, 18,488.19 and 3,559.64

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Solution

The fourth proportional to 12,327.08, 18,488.19 and 3,559.64 is: 5,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327.08 : 18,488.19 = 3,559.64 : x
  2. Step 2: Convert to fraction form
    12,327.08/18,488.19 = 3,559.64/x
  3. Step 3: Cross multiply
    12,327.08x = 18,488.19 × 3,559.64
  4. Step 4: Simplify right side
    12,327.08x = 65,811,300.65
  5. Step 5: Solve for x
    x = 65,811,300.65/12,327.08
  6. Step 6: Final answer
    x = 5,338.76

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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.