Home / 13,975.69-19,283.91-8,005.99

Finding the Fourth Proportional to 13,975.69, 19,283.91 and 8,005.99

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Solution

The fourth proportional to 13,975.69, 19,283.91 and 8,005.99 is: 11,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.69 : 19,283.91 = 8,005.99 : x
  2. Step 2: Convert to fraction form
    13,975.69/19,283.91 = 8,005.99/x
  3. Step 3: Cross multiply
    13,975.69x = 19,283.91 × 8,005.99
  4. Step 4: Simplify right side
    13,975.69x = 154,386,790.62
  5. Step 5: Solve for x
    x = 154,386,790.62/13,975.69
  6. Step 6: Final answer
    x = 11,046.81

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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.