Home / 20,012.95-27,615.47-11,059.23

Finding the Fourth Proportional to 20,012.95, 27,615.47 and 11,059.23

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Solution

The fourth proportional to 20,012.95, 27,615.47 and 11,059.23 is: 15,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.95 : 27,615.47 = 11,059.23 : x
  2. Step 2: Convert to fraction form
    20,012.95/27,615.47 = 11,059.23/x
  3. Step 3: Cross multiply
    20,012.95x = 27,615.47 × 11,059.23
  4. Step 4: Simplify right side
    20,012.95x = 305,405,861.94
  5. Step 5: Solve for x
    x = 305,405,861.94/20,012.95
  6. Step 6: Final answer
    x = 15,260.42

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Half scale
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Double scale
Find fourth proportional to 20,013.95, 27,616.85 and 11,060.23
Similar ratio
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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.