Home / 17,276.51-25,887.77-12,021.79

Finding the Fourth Proportional to 17,276.51, 25,887.77 and 12,021.79

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Solution

The fourth proportional to 17,276.51, 25,887.77 and 12,021.79 is: 18,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.51 : 25,887.77 = 12,021.79 : x
  2. Step 2: Convert to fraction form
    17,276.51/25,887.77 = 12,021.79/x
  3. Step 3: Cross multiply
    17,276.51x = 25,887.77 × 12,021.79
  4. Step 4: Simplify right side
    17,276.51x = 311,217,209.68
  5. Step 5: Solve for x
    x = 311,217,209.68/17,276.51
  6. Step 6: Final answer
    x = 18,013.89

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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.