Home / 21,923.43-30,247.07-12,362.12

Finding the Fourth Proportional to 21,923.43, 30,247.07 and 12,362.12

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Solution

The fourth proportional to 21,923.43, 30,247.07 and 12,362.12 is: 17,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923.43 : 30,247.07 = 12,362.12 : x
  2. Step 2: Convert to fraction form
    21,923.43/30,247.07 = 12,362.12/x
  3. Step 3: Cross multiply
    21,923.43x = 30,247.07 × 12,362.12
  4. Step 4: Simplify right side
    21,923.43x = 373,917,695.94
  5. Step 5: Solve for x
    x = 373,917,695.94/21,923.43
  6. Step 6: Final answer
    x = 17,055.62

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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.