Home / 17,065.46-25,581.75-8,749.38

Finding the Fourth Proportional to 17,065.46, 25,581.75 and 8,749.38

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Solution

The fourth proportional to 17,065.46, 25,581.75 and 8,749.38 is: 13,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,065.46 : 25,581.75 = 8,749.38 : x
  2. Step 2: Convert to fraction form
    17,065.46/25,581.75 = 8,749.38/x
  3. Step 3: Cross multiply
    17,065.46x = 25,581.75 × 8,749.38
  4. Step 4: Simplify right side
    17,065.46x = 223,824,451.82
  5. Step 5: Solve for x
    x = 223,824,451.82/17,065.46
  6. Step 6: Final answer
    x = 13,115.64

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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.