Home / 18,942.98-28,422.66-10,167.63

Finding the Fourth Proportional to 18,942.98, 28,422.66 and 10,167.63

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Solution

The fourth proportional to 18,942.98, 28,422.66 and 10,167.63 is: 15,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.98 : 28,422.66 = 10,167.63 : x
  2. Step 2: Convert to fraction form
    18,942.98/28,422.66 = 10,167.63/x
  3. Step 3: Cross multiply
    18,942.98x = 28,422.66 × 10,167.63
  4. Step 4: Simplify right side
    18,942.98x = 288,991,090.50
  5. Step 5: Solve for x
    x = 288,991,090.50/18,942.98
  6. Step 6: Final answer
    x = 15,255.85

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1.5x scale

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.