Home / 12,781.82-19,160.30-6,204.42

Finding the Fourth Proportional to 12,781.82, 19,160.30 and 6,204.42

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Solution

The fourth proportional to 12,781.82, 19,160.30 and 6,204.42 is: 9,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781.82 : 19,160.30 = 6,204.42 : x
  2. Step 2: Convert to fraction form
    12,781.82/19,160.30 = 6,204.42/x
  3. Step 3: Cross multiply
    12,781.82x = 19,160.30 × 6,204.42
  4. Step 4: Simplify right side
    12,781.82x = 118,878,564.04
  5. Step 5: Solve for x
    x = 118,878,564.04/12,781.82
  6. Step 6: Final answer
    x = 9,300.60

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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.