Home / 12,877.99-19,314.42-7,537.96

Finding the Fourth Proportional to 12,877.99, 19,314.42 and 7,537.96

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Solution

The fourth proportional to 12,877.99, 19,314.42 and 7,537.96 is: 11,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.99 : 19,314.42 = 7,537.96 : x
  2. Step 2: Convert to fraction form
    12,877.99/19,314.42 = 7,537.96/x
  3. Step 3: Cross multiply
    12,877.99x = 19,314.42 × 7,537.96
  4. Step 4: Simplify right side
    12,877.99x = 145,591,321.26
  5. Step 5: Solve for x
    x = 145,591,321.26/12,877.99
  6. Step 6: Final answer
    x = 11,305.44

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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.