Home / 19,351.12-26,704.83-11,284.55

Finding the Fourth Proportional to 19,351.12, 26,704.83 and 11,284.55

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Solution

The fourth proportional to 19,351.12, 26,704.83 and 11,284.55 is: 15,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.12 : 26,704.83 = 11,284.55 : x
  2. Step 2: Convert to fraction form
    19,351.12/26,704.83 = 11,284.55/x
  3. Step 3: Cross multiply
    19,351.12x = 26,704.83 × 11,284.55
  4. Step 4: Simplify right side
    19,351.12x = 301,351,799.43
  5. Step 5: Solve for x
    x = 301,351,799.43/19,351.12
  6. Step 6: Final answer
    x = 15,572.84

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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.