Home / 14,321.67-21,488.87-5,557.26

Finding the Fourth Proportional to 14,321.67, 21,488.87 and 5,557.26

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Solution

The fourth proportional to 14,321.67, 21,488.87 and 5,557.26 is: 8,338.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.67 : 21,488.87 = 5,557.26 : x
  2. Step 2: Convert to fraction form
    14,321.67/21,488.87 = 5,557.26/x
  3. Step 3: Cross multiply
    14,321.67x = 21,488.87 × 5,557.26
  4. Step 4: Simplify right side
    14,321.67x = 119,419,237.70
  5. Step 5: Solve for x
    x = 119,419,237.70/14,321.67
  6. Step 6: Final answer
    x = 8,338.36

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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.