Home / 17,782.91-24,519.60-12,121.01

Finding the Fourth Proportional to 17,782.91, 24,519.60 and 12,121.01

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Solution

The fourth proportional to 17,782.91, 24,519.60 and 12,121.01 is: 16,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.91 : 24,519.60 = 12,121.01 : x
  2. Step 2: Convert to fraction form
    17,782.91/24,519.60 = 12,121.01/x
  3. Step 3: Cross multiply
    17,782.91x = 24,519.60 × 12,121.01
  4. Step 4: Simplify right side
    17,782.91x = 297,202,194.20
  5. Step 5: Solve for x
    x = 297,202,194.20/17,782.91
  6. Step 6: Final answer
    x = 16,712.80

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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.