Home / 20,269.93-27,964.56-11,770.60

Finding the Fourth Proportional to 20,269.93, 27,964.56 and 11,770.60

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Solution

The fourth proportional to 20,269.93, 27,964.56 and 11,770.60 is: 16,238.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269.93 : 27,964.56 = 11,770.60 : x
  2. Step 2: Convert to fraction form
    20,269.93/27,964.56 = 11,770.60/x
  3. Step 3: Cross multiply
    20,269.93x = 27,964.56 × 11,770.60
  4. Step 4: Simplify right side
    20,269.93x = 329,159,649.94
  5. Step 5: Solve for x
    x = 329,159,649.94/20,269.93
  6. Step 6: Final answer
    x = 16,238.82

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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.