Home / 20,083.14-27,714.94-11,130.84

Finding the Fourth Proportional to 20,083.14, 27,714.94 and 11,130.84

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Solution

The fourth proportional to 20,083.14, 27,714.94 and 11,130.84 is: 15,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.14 : 27,714.94 = 11,130.84 : x
  2. Step 2: Convert to fraction form
    20,083.14/27,714.94 = 11,130.84/x
  3. Step 3: Cross multiply
    20,083.14x = 27,714.94 × 11,130.84
  4. Step 4: Simplify right side
    20,083.14x = 308,490,534.92
  5. Step 5: Solve for x
    x = 308,490,534.92/20,083.14
  6. Step 6: Final answer
    x = 15,360.67

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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.