Home / 19,339.01-26,685.83-11,380.76

Finding the Fourth Proportional to 19,339.01, 26,685.83 and 11,380.76

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Solution

The fourth proportional to 19,339.01, 26,685.83 and 11,380.76 is: 15,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.01 : 26,685.83 = 11,380.76 : x
  2. Step 2: Convert to fraction form
    19,339.01/26,685.83 = 11,380.76/x
  3. Step 3: Cross multiply
    19,339.01x = 26,685.83 × 11,380.76
  4. Step 4: Simplify right side
    19,339.01x = 303,705,121.80
  5. Step 5: Solve for x
    x = 303,705,121.80/19,339.01
  6. Step 6: Final answer
    x = 15,704.27

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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.