Home / 21,434.43-32,163.80-11,573.49

Finding the Fourth Proportional to 21,434.43, 32,163.80 and 11,573.49

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Solution

The fourth proportional to 21,434.43, 32,163.80 and 11,573.49 is: 17,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,434.43 : 32,163.80 = 11,573.49 : x
  2. Step 2: Convert to fraction form
    21,434.43/32,163.80 = 11,573.49/x
  3. Step 3: Cross multiply
    21,434.43x = 32,163.80 × 11,573.49
  4. Step 4: Simplify right side
    21,434.43x = 372,247,359.79
  5. Step 5: Solve for x
    x = 372,247,359.79/21,434.43
  6. Step 6: Final answer
    x = 17,366.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.