Home / 12,761.04-19,142.10-6,192.75

Finding the Fourth Proportional to 12,761.04, 19,142.10 and 6,192.75

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Solution

The fourth proportional to 12,761.04, 19,142.10 and 6,192.75 is: 9,289.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761.04 : 19,142.10 = 6,192.75 : x
  2. Step 2: Convert to fraction form
    12,761.04/19,142.10 = 6,192.75/x
  3. Step 3: Cross multiply
    12,761.04x = 19,142.10 × 6,192.75
  4. Step 4: Simplify right side
    12,761.04x = 118,542,239.78
  5. Step 5: Solve for x
    x = 118,542,239.78/12,761.04
  6. Step 6: Final answer
    x = 9,289.39

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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.