Home / 18,963.45-26,158.68-11,004.66

Finding the Fourth Proportional to 18,963.45, 26,158.68 and 11,004.66

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Solution

The fourth proportional to 18,963.45, 26,158.68 and 11,004.66 is: 15,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.45 : 26,158.68 = 11,004.66 : x
  2. Step 2: Convert to fraction form
    18,963.45/26,158.68 = 11,004.66/x
  3. Step 3: Cross multiply
    18,963.45x = 26,158.68 × 11,004.66
  4. Step 4: Simplify right side
    18,963.45x = 287,867,379.45
  5. Step 5: Solve for x
    x = 287,867,379.45/18,963.45
  6. Step 6: Final answer
    x = 15,180.12

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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.