Home / 22,440.70-30,961.60-13,949.07

Finding the Fourth Proportional to 22,440.70, 30,961.60 and 13,949.07

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Solution

The fourth proportional to 22,440.70, 30,961.60 and 13,949.07 is: 19,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.70 : 30,961.60 = 13,949.07 : x
  2. Step 2: Convert to fraction form
    22,440.70/30,961.60 = 13,949.07/x
  3. Step 3: Cross multiply
    22,440.70x = 30,961.60 × 13,949.07
  4. Step 4: Simplify right side
    22,440.70x = 431,885,525.71
  5. Step 5: Solve for x
    x = 431,885,525.71/22,440.70
  6. Step 6: Final answer
    x = 19,245.64

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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.