Home / 17,205.24-25,771.40-12,998.91

Finding the Fourth Proportional to 17,205.24, 25,771.40 and 12,998.91

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Solution

The fourth proportional to 17,205.24, 25,771.40 and 12,998.91 is: 19,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.24 : 25,771.40 = 12,998.91 : x
  2. Step 2: Convert to fraction form
    17,205.24/25,771.40 = 12,998.91/x
  3. Step 3: Cross multiply
    17,205.24x = 25,771.40 × 12,998.91
  4. Step 4: Simplify right side
    17,205.24x = 335,000,109.17
  5. Step 5: Solve for x
    x = 335,000,109.17/17,205.24
  6. Step 6: Final answer
    x = 19,470.82

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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.