Home / 18,154.89-27,237.02-5,675.31

Finding the Fourth Proportional to 18,154.89, 27,237.02 and 5,675.31

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Solution

The fourth proportional to 18,154.89, 27,237.02 and 5,675.31 is: 8,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.89 : 27,237.02 = 5,675.31 : x
  2. Step 2: Convert to fraction form
    18,154.89/27,237.02 = 5,675.31/x
  3. Step 3: Cross multiply
    18,154.89x = 27,237.02 × 5,675.31
  4. Step 4: Simplify right side
    18,154.89x = 154,578,503.60
  5. Step 5: Solve for x
    x = 154,578,503.60/18,154.89
  6. Step 6: Final answer
    x = 8,514.43

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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.