Home / 13,296.40-19,947.86-6,722.44

Finding the Fourth Proportional to 13,296.40, 19,947.86 and 6,722.44

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Solution

The fourth proportional to 13,296.40, 19,947.86 and 6,722.44 is: 10,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.40 : 19,947.86 = 6,722.44 : x
  2. Step 2: Convert to fraction form
    13,296.40/19,947.86 = 6,722.44/x
  3. Step 3: Cross multiply
    13,296.40x = 19,947.86 × 6,722.44
  4. Step 4: Simplify right side
    13,296.40x = 134,098,291.98
  5. Step 5: Solve for x
    x = 134,098,291.98/13,296.40
  6. Step 6: Final answer
    x = 10,085.31

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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.