Home / 21,348.54-29,461.46-11,788.41

Finding the Fourth Proportional to 21,348.54, 29,461.46 and 11,788.41

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Solution

The fourth proportional to 21,348.54, 29,461.46 and 11,788.41 is: 16,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.54 : 29,461.46 = 11,788.41 : x
  2. Step 2: Convert to fraction form
    21,348.54/29,461.46 = 11,788.41/x
  3. Step 3: Cross multiply
    21,348.54x = 29,461.46 × 11,788.41
  4. Step 4: Simplify right side
    21,348.54x = 347,303,769.68
  5. Step 5: Solve for x
    x = 347,303,769.68/21,348.54
  6. Step 6: Final answer
    x = 16,268.27

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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.