Home / 18,942.96-26,140.72-10,328.82

Finding the Fourth Proportional to 18,942.96, 26,140.72 and 10,328.82

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Solution

The fourth proportional to 18,942.96, 26,140.72 and 10,328.82 is: 14,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.96 : 26,140.72 = 10,328.82 : x
  2. Step 2: Convert to fraction form
    18,942.96/26,140.72 = 10,328.82/x
  3. Step 3: Cross multiply
    18,942.96x = 26,140.72 × 10,328.82
  4. Step 4: Simplify right side
    18,942.96x = 270,002,791.55
  5. Step 5: Solve for x
    x = 270,002,791.55/18,942.96
  6. Step 6: Final answer
    x = 14,253.46

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1.5x scale

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.