Home / 19,494.27-26,912.05-13,515.56

Finding the Fourth Proportional to 19,494.27, 26,912.05 and 13,515.56

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Solution

The fourth proportional to 19,494.27, 26,912.05 and 13,515.56 is: 18,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,494.27 : 26,912.05 = 13,515.56 : x
  2. Step 2: Convert to fraction form
    19,494.27/26,912.05 = 13,515.56/x
  3. Step 3: Cross multiply
    19,494.27x = 26,912.05 × 13,515.56
  4. Step 4: Simplify right side
    19,494.27x = 363,731,359.07
  5. Step 5: Solve for x
    x = 363,731,359.07/19,494.27
  6. Step 6: Final answer
    x = 18,658.37

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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.