Home / 13,789.23-19,033.05-8,127.27

Finding the Fourth Proportional to 13,789.23, 19,033.05 and 8,127.27

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Solution

The fourth proportional to 13,789.23, 19,033.05 and 8,127.27 is: 11,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.23 : 19,033.05 = 8,127.27 : x
  2. Step 2: Convert to fraction form
    13,789.23/19,033.05 = 8,127.27/x
  3. Step 3: Cross multiply
    13,789.23x = 19,033.05 × 8,127.27
  4. Step 4: Simplify right side
    13,789.23x = 154,686,736.27
  5. Step 5: Solve for x
    x = 154,686,736.27/13,789.23
  6. Step 6: Final answer
    x = 11,217.94

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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.