Home / 13,004.82-19,505.21-4,239.68

Finding the Fourth Proportional to 13,004.82, 19,505.21 and 4,239.68

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Solution

The fourth proportional to 13,004.82, 19,505.21 and 4,239.68 is: 6,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.82 : 19,505.21 = 4,239.68 : x
  2. Step 2: Convert to fraction form
    13,004.82/19,505.21 = 4,239.68/x
  3. Step 3: Cross multiply
    13,004.82x = 19,505.21 × 4,239.68
  4. Step 4: Simplify right side
    13,004.82x = 82,695,730.01
  5. Step 5: Solve for x
    x = 82,695,730.01/13,004.82
  6. Step 6: Final answer
    x = 6,358.85

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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.