Home / 19,164.15-28,713.71-13,589.73

Finding the Fourth Proportional to 19,164.15, 28,713.71 and 13,589.73

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Solution

The fourth proportional to 19,164.15, 28,713.71 and 13,589.73 is: 20,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.15 : 28,713.71 = 13,589.73 : x
  2. Step 2: Convert to fraction form
    19,164.15/28,713.71 = 13,589.73/x
  3. Step 3: Cross multiply
    19,164.15x = 28,713.71 × 13,589.73
  4. Step 4: Simplify right side
    19,164.15x = 390,211,498.25
  5. Step 5: Solve for x
    x = 390,211,498.25/19,164.15
  6. Step 6: Final answer
    x = 20,361.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.