Home / 22,340.37-30,828.49-12,270.13

Finding the Fourth Proportional to 22,340.37, 30,828.49 and 12,270.13

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Solution

The fourth proportional to 22,340.37, 30,828.49 and 12,270.13 is: 16,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.37 : 30,828.49 = 12,270.13 : x
  2. Step 2: Convert to fraction form
    22,340.37/30,828.49 = 12,270.13/x
  3. Step 3: Cross multiply
    22,340.37x = 30,828.49 × 12,270.13
  4. Step 4: Simplify right side
    22,340.37x = 378,269,580.00
  5. Step 5: Solve for x
    x = 378,269,580.00/22,340.37
  6. Step 6: Final answer
    x = 16,932.11

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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.