Home / 17,085.40-25,628.10-7,231.78

Finding the Fourth Proportional to 17,085.40, 25,628.10 and 7,231.78

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Solution

The fourth proportional to 17,085.40, 25,628.10 and 7,231.78 is: 10,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,085.40 : 25,628.10 = 7,231.78 : x
  2. Step 2: Convert to fraction form
    17,085.40/25,628.10 = 7,231.78/x
  3. Step 3: Cross multiply
    17,085.40x = 25,628.10 × 7,231.78
  4. Step 4: Simplify right side
    17,085.40x = 185,336,781.02
  5. Step 5: Solve for x
    x = 185,336,781.02/17,085.40
  6. Step 6: Final answer
    x = 10,847.67

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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.