Home / 22,643.43-31,246.49-12,571.86

Finding the Fourth Proportional to 22,643.43, 31,246.49 and 12,571.86

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Solution

The fourth proportional to 22,643.43, 31,246.49 and 12,571.86 is: 17,348.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,643.43 : 31,246.49 = 12,571.86 : x
  2. Step 2: Convert to fraction form
    22,643.43/31,246.49 = 12,571.86/x
  3. Step 3: Cross multiply
    22,643.43x = 31,246.49 × 12,571.86
  4. Step 4: Simplify right side
    22,643.43x = 392,826,552.09
  5. Step 5: Solve for x
    x = 392,826,552.09/22,643.43
  6. Step 6: Final answer
    x = 17,348.37

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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.