Home / 12,163.24-18,246.78-4,377.64

Finding the Fourth Proportional to 12,163.24, 18,246.78 and 4,377.64

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Solution

The fourth proportional to 12,163.24, 18,246.78 and 4,377.64 is: 6,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,163.24 : 18,246.78 = 4,377.64 : x
  2. Step 2: Convert to fraction form
    12,163.24/18,246.78 = 4,377.64/x
  3. Step 3: Cross multiply
    12,163.24x = 18,246.78 × 4,377.64
  4. Step 4: Simplify right side
    12,163.24x = 79,877,834.00
  5. Step 5: Solve for x
    x = 79,877,834.00/12,163.24
  6. Step 6: Final answer
    x = 6,567.15

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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.