Home / 18,421.81-27,634.45-5,094.27

Finding the Fourth Proportional to 18,421.81, 27,634.45 and 5,094.27

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Solution

The fourth proportional to 18,421.81, 27,634.45 and 5,094.27 is: 7,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.81 : 27,634.45 = 5,094.27 : x
  2. Step 2: Convert to fraction form
    18,421.81/27,634.45 = 5,094.27/x
  3. Step 3: Cross multiply
    18,421.81x = 27,634.45 × 5,094.27
  4. Step 4: Simplify right side
    18,421.81x = 140,777,290.19
  5. Step 5: Solve for x
    x = 140,777,290.19/18,421.81
  6. Step 6: Final answer
    x = 7,641.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.