Home / 14,137.14-19,509.93-8,169.60

Finding the Fourth Proportional to 14,137.14, 19,509.93 and 8,169.60

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Solution

The fourth proportional to 14,137.14, 19,509.93 and 8,169.60 is: 11,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.14 : 19,509.93 = 8,169.60 : x
  2. Step 2: Convert to fraction form
    14,137.14/19,509.93 = 8,169.60/x
  3. Step 3: Cross multiply
    14,137.14x = 19,509.93 × 8,169.60
  4. Step 4: Simplify right side
    14,137.14x = 159,388,324.13
  5. Step 5: Solve for x
    x = 159,388,324.13/14,137.14
  6. Step 6: Final answer
    x = 11,274.44

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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.