Home / 17,087.43-25,630.99-5,400.65

Finding the Fourth Proportional to 17,087.43, 25,630.99 and 5,400.65

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Solution

The fourth proportional to 17,087.43, 25,630.99 and 5,400.65 is: 8,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.43 : 25,630.99 = 5,400.65 : x
  2. Step 2: Convert to fraction form
    17,087.43/25,630.99 = 5,400.65/x
  3. Step 3: Cross multiply
    17,087.43x = 25,630.99 × 5,400.65
  4. Step 4: Simplify right side
    17,087.43x = 138,423,979.14
  5. Step 5: Solve for x
    x = 138,423,979.14/17,087.43
  6. Step 6: Final answer
    x = 8,100.92

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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.