Home / 21,374.02-29,496.63-11,942.56

Finding the Fourth Proportional to 21,374.02, 29,496.63 and 11,942.56

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Solution

The fourth proportional to 21,374.02, 29,496.63 and 11,942.56 is: 16,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.02 : 29,496.63 = 11,942.56 : x
  2. Step 2: Convert to fraction form
    21,374.02/29,496.63 = 11,942.56/x
  3. Step 3: Cross multiply
    21,374.02x = 29,496.63 × 11,942.56
  4. Step 4: Simplify right side
    21,374.02x = 352,265,273.57
  5. Step 5: Solve for x
    x = 352,265,273.57/21,374.02
  6. Step 6: Final answer
    x = 16,481.00

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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.