Home / 22,340.98-30,830.58-12,270.07

Finding the Fourth Proportional to 22,340.98, 30,830.58 and 12,270.07

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Solution

The fourth proportional to 22,340.98, 30,830.58 and 12,270.07 is: 16,932.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.98 : 30,830.58 = 12,270.07 : x
  2. Step 2: Convert to fraction form
    22,340.98/30,830.58 = 12,270.07/x
  3. Step 3: Cross multiply
    22,340.98x = 30,830.58 × 12,270.07
  4. Step 4: Simplify right side
    22,340.98x = 378,293,374.74
  5. Step 5: Solve for x
    x = 378,293,374.74/22,340.98
  6. Step 6: Final answer
    x = 16,932.71

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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.