Home / 21,272.41-29,354.16-11,841.58

Finding the Fourth Proportional to 21,272.41, 29,354.16 and 11,841.58

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Solution

The fourth proportional to 21,272.41, 29,354.16 and 11,841.58 is: 16,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,272.41 : 29,354.16 = 11,841.58 : x
  2. Step 2: Convert to fraction form
    21,272.41/29,354.16 = 11,841.58/x
  3. Step 3: Cross multiply
    21,272.41x = 29,354.16 × 11,841.58
  4. Step 4: Simplify right side
    21,272.41x = 347,599,633.97
  5. Step 5: Solve for x
    x = 347,599,633.97/21,272.41
  6. Step 6: Final answer
    x = 16,340.40

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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.