Home / 17,173-25,755.85-13,904.65

Finding the Fourth Proportional to 17,173, 25,755.85 and 13,904.65

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Solution

The fourth proportional to 17,173, 25,755.85 and 13,904.65 is: 20,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,173 : 25,755.85 = 13,904.65 : x
  2. Step 2: Convert to fraction form
    17,173/25,755.85 = 13,904.65/x
  3. Step 3: Cross multiply
    17,173x = 25,755.85 × 13,904.65
  4. Step 4: Simplify right side
    17,173x = 358,126,079.70
  5. Step 5: Solve for x
    x = 358,126,079.70/17,173
  6. Step 6: Final answer
    x = 20,854.02

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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.