Home / 18,877.82-26,040.63-11,704.46

Finding the Fourth Proportional to 18,877.82, 26,040.63 and 11,704.46

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Solution

The fourth proportional to 18,877.82, 26,040.63 and 11,704.46 is: 16,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.82 : 26,040.63 = 11,704.46 : x
  2. Step 2: Convert to fraction form
    18,877.82/26,040.63 = 11,704.46/x
  3. Step 3: Cross multiply
    18,877.82x = 26,040.63 × 11,704.46
  4. Step 4: Simplify right side
    18,877.82x = 304,791,512.21
  5. Step 5: Solve for x
    x = 304,791,512.21/18,877.82
  6. Step 6: Final answer
    x = 16,145.48

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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.