Home / 21,923.00-30,246.56-13,416.25

Finding the Fourth Proportional to 21,923.00, 30,246.56 and 13,416.25

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Solution

The fourth proportional to 21,923.00, 30,246.56 and 13,416.25 is: 18,510.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.00 : 30,246.56 = 13,416.25 : x
  2. Step 2: Convert to fraction form
    21,923.00/30,246.56 = 13,416.25/x
  3. Step 3: Cross multiply
    21,923.00x = 30,246.56 × 13,416.25
  4. Step 4: Simplify right side
    21,923.00x = 405,795,450.39
  5. Step 5: Solve for x
    x = 405,795,450.39/21,923.00
  6. Step 6: Final answer
    x = 18,510.04

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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.