Home / 13,006.56-19,511.88-4,239.43

Finding the Fourth Proportional to 13,006.56, 19,511.88 and 4,239.43

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Solution

The fourth proportional to 13,006.56, 19,511.88 and 4,239.43 is: 6,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.56 : 19,511.88 = 4,239.43 : x
  2. Step 2: Convert to fraction form
    13,006.56/19,511.88 = 4,239.43/x
  3. Step 3: Cross multiply
    13,006.56x = 19,511.88 × 4,239.43
  4. Step 4: Simplify right side
    13,006.56x = 82,719,249.43
  5. Step 5: Solve for x
    x = 82,719,249.43/13,006.56
  6. Step 6: Final answer
    x = 6,359.81

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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.