Home / 11,714.94-17,561.12-4,315.36

Finding the Fourth Proportional to 11,714.94, 17,561.12 and 4,315.36

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Solution

The fourth proportional to 11,714.94, 17,561.12 and 4,315.36 is: 6,468.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,714.94 : 17,561.12 = 4,315.36 : x
  2. Step 2: Convert to fraction form
    11,714.94/17,561.12 = 4,315.36/x
  3. Step 3: Cross multiply
    11,714.94x = 17,561.12 × 4,315.36
  4. Step 4: Simplify right side
    11,714.94x = 75,782,554.80
  5. Step 5: Solve for x
    x = 75,782,554.80/11,714.94
  6. Step 6: Final answer
    x = 6,468.88

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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.