Home / 13,429.24-20,141.76-3,568.97

Finding the Fourth Proportional to 13,429.24, 20,141.76 and 3,568.97

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Solution

The fourth proportional to 13,429.24, 20,141.76 and 3,568.97 is: 5,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.24 : 20,141.76 = 3,568.97 : x
  2. Step 2: Convert to fraction form
    13,429.24/20,141.76 = 3,568.97/x
  3. Step 3: Cross multiply
    13,429.24x = 20,141.76 × 3,568.97
  4. Step 4: Simplify right side
    13,429.24x = 71,885,337.19
  5. Step 5: Solve for x
    x = 71,885,337.19/13,429.24
  6. Step 6: Final answer
    x = 5,352.90

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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.