Home / 13,004.18-19,503.84-4,239.44

Finding the Fourth Proportional to 13,004.18, 19,503.84 and 4,239.44

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Solution

The fourth proportional to 13,004.18, 19,503.84 and 4,239.44 is: 6,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.18 : 19,503.84 = 4,239.44 : x
  2. Step 2: Convert to fraction form
    13,004.18/19,503.84 = 4,239.44/x
  3. Step 3: Cross multiply
    13,004.18x = 19,503.84 × 4,239.44
  4. Step 4: Simplify right side
    13,004.18x = 82,685,359.45
  5. Step 5: Solve for x
    x = 82,685,359.45/13,004.18
  6. Step 6: Final answer
    x = 6,358.37

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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.