Home / 20,094.61-27,732.24-11,145

Finding the Fourth Proportional to 20,094.61, 27,732.24 and 11,145

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Solution

The fourth proportional to 20,094.61, 27,732.24 and 11,145 is: 15,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.61 : 27,732.24 = 11,145 : x
  2. Step 2: Convert to fraction form
    20,094.61/27,732.24 = 11,145/x
  3. Step 3: Cross multiply
    20,094.61x = 27,732.24 × 11,145
  4. Step 4: Simplify right side
    20,094.61x = 309,075,814.80
  5. Step 5: Solve for x
    x = 309,075,814.80/20,094.61
  6. Step 6: Final answer
    x = 15,381.03

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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.