Home / 20,192.82-30,295.41-10,339.07

Finding the Fourth Proportional to 20,192.82, 30,295.41 and 10,339.07

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Solution

The fourth proportional to 20,192.82, 30,295.41 and 10,339.07 is: 15,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.82 : 30,295.41 = 10,339.07 : x
  2. Step 2: Convert to fraction form
    20,192.82/30,295.41 = 10,339.07/x
  3. Step 3: Cross multiply
    20,192.82x = 30,295.41 × 10,339.07
  4. Step 4: Simplify right side
    20,192.82x = 313,226,364.67
  5. Step 5: Solve for x
    x = 313,226,364.67/20,192.82
  6. Step 6: Final answer
    x = 15,511.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.