Home / 19,375.36-26,716.64-13,396.64

Finding the Fourth Proportional to 19,375.36, 26,716.64 and 13,396.64

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Solution

The fourth proportional to 19,375.36, 26,716.64 and 13,396.64 is: 18,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.36 : 26,716.64 = 13,396.64 : x
  2. Step 2: Convert to fraction form
    19,375.36/26,716.64 = 13,396.64/x
  3. Step 3: Cross multiply
    19,375.36x = 26,716.64 × 13,396.64
  4. Step 4: Simplify right side
    19,375.36x = 357,913,208.09
  5. Step 5: Solve for x
    x = 357,913,208.09/19,375.36
  6. Step 6: Final answer
    x = 18,472.60

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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.