Home / 19,178.80-26,464.83-14,145.73

Finding the Fourth Proportional to 19,178.80, 26,464.83 and 14,145.73

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Solution

The fourth proportional to 19,178.80, 26,464.83 and 14,145.73 is: 19,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.80 : 26,464.83 = 14,145.73 : x
  2. Step 2: Convert to fraction form
    19,178.80/26,464.83 = 14,145.73/x
  3. Step 3: Cross multiply
    19,178.80x = 26,464.83 × 14,145.73
  4. Step 4: Simplify right side
    19,178.80x = 374,364,339.68
  5. Step 5: Solve for x
    x = 374,364,339.68/19,178.80
  6. Step 6: Final answer
    x = 19,519.70

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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.