Home / 13,171.14-19,756.58-3,310.20

Finding the Fourth Proportional to 13,171.14, 19,756.58 and 3,310.20

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Solution

The fourth proportional to 13,171.14, 19,756.58 and 3,310.20 is: 4,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.14 : 19,756.58 = 3,310.20 : x
  2. Step 2: Convert to fraction form
    13,171.14/19,756.58 = 3,310.20/x
  3. Step 3: Cross multiply
    13,171.14x = 19,756.58 × 3,310.20
  4. Step 4: Simplify right side
    13,171.14x = 65,398,214.57
  5. Step 5: Solve for x
    x = 65,398,214.57/13,171.14
  6. Step 6: Final answer
    x = 4,965.27

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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.