Home / 21,461.94-29,619.27-11,904.82

Finding the Fourth Proportional to 21,461.94, 29,619.27 and 11,904.82

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Solution

The fourth proportional to 21,461.94, 29,619.27 and 11,904.82 is: 16,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.94 : 29,619.27 = 11,904.82 : x
  2. Step 2: Convert to fraction form
    21,461.94/29,619.27 = 11,904.82/x
  3. Step 3: Cross multiply
    21,461.94x = 29,619.27 × 11,904.82
  4. Step 4: Simplify right side
    21,461.94x = 352,612,170.44
  5. Step 5: Solve for x
    x = 352,612,170.44/21,461.94
  6. Step 6: Final answer
    x = 16,429.65

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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.