Home / 20,696.84-28,562.30-11,744.72

Finding the Fourth Proportional to 20,696.84, 28,562.30 and 11,744.72

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Solution

The fourth proportional to 20,696.84, 28,562.30 and 11,744.72 is: 16,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,696.84 : 28,562.30 = 11,744.72 : x
  2. Step 2: Convert to fraction form
    20,696.84/28,562.30 = 11,744.72/x
  3. Step 3: Cross multiply
    20,696.84x = 28,562.30 × 11,744.72
  4. Step 4: Simplify right side
    20,696.84x = 335,456,316.82
  5. Step 5: Solve for x
    x = 335,456,316.82/20,696.84
  6. Step 6: Final answer
    x = 16,208.09

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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.