Home / 20,063.70-27,685.80-11,110.68

Finding the Fourth Proportional to 20,063.70, 27,685.80 and 11,110.68

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Solution

The fourth proportional to 20,063.70, 27,685.80 and 11,110.68 is: 15,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.70 : 27,685.80 = 11,110.68 : x
  2. Step 2: Convert to fraction form
    20,063.70/27,685.80 = 11,110.68/x
  3. Step 3: Cross multiply
    20,063.70x = 27,685.80 × 11,110.68
  4. Step 4: Simplify right side
    20,063.70x = 307,608,064.34
  5. Step 5: Solve for x
    x = 307,608,064.34/20,063.70
  6. Step 6: Final answer
    x = 15,331.57

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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.