Home / 21,504.42-29,675.08-11,944.92

Finding the Fourth Proportional to 21,504.42, 29,675.08 and 11,944.92

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Solution

The fourth proportional to 21,504.42, 29,675.08 and 11,944.92 is: 16,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.42 : 29,675.08 = 11,944.92 : x
  2. Step 2: Convert to fraction form
    21,504.42/29,675.08 = 11,944.92/x
  3. Step 3: Cross multiply
    21,504.42x = 29,675.08 × 11,944.92
  4. Step 4: Simplify right side
    21,504.42x = 354,466,456.59
  5. Step 5: Solve for x
    x = 354,466,456.59/21,504.42
  6. Step 6: Final answer
    x = 16,483.42

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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.