Home / 9,012.76-13,519.85-3,170.68

Finding the Fourth Proportional to 9,012.76, 13,519.85 and 3,170.68

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Solution

The fourth proportional to 9,012.76, 13,519.85 and 3,170.68 is: 4,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.76 : 13,519.85 = 3,170.68 : x
  2. Step 2: Convert to fraction form
    9,012.76/13,519.85 = 3,170.68/x
  3. Step 3: Cross multiply
    9,012.76x = 13,519.85 × 3,170.68
  4. Step 4: Simplify right side
    9,012.76x = 42,867,118.00
  5. Step 5: Solve for x
    x = 42,867,118.00/9,012.76
  6. Step 6: Final answer
    x = 4,756.27

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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.