Home / 18,675.37-25,771.75-10,177.84

Finding the Fourth Proportional to 18,675.37, 25,771.75 and 10,177.84

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Solution

The fourth proportional to 18,675.37, 25,771.75 and 10,177.84 is: 14,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.37 : 25,771.75 = 10,177.84 : x
  2. Step 2: Convert to fraction form
    18,675.37/25,771.75 = 10,177.84/x
  3. Step 3: Cross multiply
    18,675.37x = 25,771.75 × 10,177.84
  4. Step 4: Simplify right side
    18,675.37x = 262,300,748.02
  5. Step 5: Solve for x
    x = 262,300,748.02/18,675.37
  6. Step 6: Final answer
    x = 14,045.28

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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.