Home / 20,083.41-27,714.35-11,130.69

Finding the Fourth Proportional to 20,083.41, 27,714.35 and 11,130.69

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Solution

The fourth proportional to 20,083.41, 27,714.35 and 11,130.69 is: 15,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.41 : 27,714.35 = 11,130.69 : x
  2. Step 2: Convert to fraction form
    20,083.41/27,714.35 = 11,130.69/x
  3. Step 3: Cross multiply
    20,083.41x = 27,714.35 × 11,130.69
  4. Step 4: Simplify right side
    20,083.41x = 308,479,782.75
  5. Step 5: Solve for x
    x = 308,479,782.75/20,083.41
  6. Step 6: Final answer
    x = 15,359.93

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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.