Home / 21,734.24-29,993.28-12,305.84

Finding the Fourth Proportional to 21,734.24, 29,993.28 and 12,305.84

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Solution

The fourth proportional to 21,734.24, 29,993.28 and 12,305.84 is: 16,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.24 : 29,993.28 = 12,305.84 : x
  2. Step 2: Convert to fraction form
    21,734.24/29,993.28 = 12,305.84/x
  3. Step 3: Cross multiply
    21,734.24x = 29,993.28 × 12,305.84
  4. Step 4: Simplify right side
    21,734.24x = 369,092,504.76
  5. Step 5: Solve for x
    x = 369,092,504.76/21,734.24
  6. Step 6: Final answer
    x = 16,982.08

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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.