Home / 14,404.21-19,871.62-8,736.80

Finding the Fourth Proportional to 14,404.21, 19,871.62 and 8,736.80

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Solution

The fourth proportional to 14,404.21, 19,871.62 and 8,736.80 is: 12,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,404.21 : 19,871.62 = 8,736.80 : x
  2. Step 2: Convert to fraction form
    14,404.21/19,871.62 = 8,736.80/x
  3. Step 3: Cross multiply
    14,404.21x = 19,871.62 × 8,736.80
  4. Step 4: Simplify right side
    14,404.21x = 173,614,369.62
  5. Step 5: Solve for x
    x = 173,614,369.62/14,404.21
  6. Step 6: Final answer
    x = 12,053.03

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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.