Home / 20,192.69-27,864.91-11,240.98

Finding the Fourth Proportional to 20,192.69, 27,864.91 and 11,240.98

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Solution

The fourth proportional to 20,192.69, 27,864.91 and 11,240.98 is: 15,511.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.69 : 27,864.91 = 11,240.98 : x
  2. Step 2: Convert to fraction form
    20,192.69/27,864.91 = 11,240.98/x
  3. Step 3: Cross multiply
    20,192.69x = 27,864.91 × 11,240.98
  4. Step 4: Simplify right side
    20,192.69x = 313,228,840.40
  5. Step 5: Solve for x
    x = 313,228,840.40/20,192.69
  6. Step 6: Final answer
    x = 15,511.99

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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.