Home / 21,963.92-30,309.64-12,273.45

Finding the Fourth Proportional to 21,963.92, 30,309.64 and 12,273.45

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Solution

The fourth proportional to 21,963.92, 30,309.64 and 12,273.45 is: 16,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.92 : 30,309.64 = 12,273.45 : x
  2. Step 2: Convert to fraction form
    21,963.92/30,309.64 = 12,273.45/x
  3. Step 3: Cross multiply
    21,963.92x = 30,309.64 × 12,273.45
  4. Step 4: Simplify right side
    21,963.92x = 372,003,851.06
  5. Step 5: Solve for x
    x = 372,003,851.06/21,963.92
  6. Step 6: Final answer
    x = 16,937.04

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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.