Home / 19,179.88-26,454.59-12,803.25

Finding the Fourth Proportional to 19,179.88, 26,454.59 and 12,803.25

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Solution

The fourth proportional to 19,179.88, 26,454.59 and 12,803.25 is: 17,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.88 : 26,454.59 = 12,803.25 : x
  2. Step 2: Convert to fraction form
    19,179.88/26,454.59 = 12,803.25/x
  3. Step 3: Cross multiply
    19,179.88x = 26,454.59 × 12,803.25
  4. Step 4: Simplify right side
    19,179.88x = 338,704,729.42
  5. Step 5: Solve for x
    x = 338,704,729.42/19,179.88
  6. Step 6: Final answer
    x = 17,659.38

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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.