Home / 12,064.24-16,651.98-8,479.99

Finding the Fourth Proportional to 12,064.24, 16,651.98 and 8,479.99

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Solution

The fourth proportional to 12,064.24, 16,651.98 and 8,479.99 is: 11,704.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.24 : 16,651.98 = 8,479.99 : x
  2. Step 2: Convert to fraction form
    12,064.24/16,651.98 = 8,479.99/x
  3. Step 3: Cross multiply
    12,064.24x = 16,651.98 × 8,479.99
  4. Step 4: Simplify right side
    12,064.24x = 141,208,644.70
  5. Step 5: Solve for x
    x = 141,208,644.70/12,064.24
  6. Step 6: Final answer
    x = 11,704.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.