Home / 12,086.12-18,136.36-6,539.34

Finding the Fourth Proportional to 12,086.12, 18,136.36 and 6,539.34

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Solution

The fourth proportional to 12,086.12, 18,136.36 and 6,539.34 is: 9,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.12 : 18,136.36 = 6,539.34 : x
  2. Step 2: Convert to fraction form
    12,086.12/18,136.36 = 6,539.34/x
  3. Step 3: Cross multiply
    12,086.12x = 18,136.36 × 6,539.34
  4. Step 4: Simplify right side
    12,086.12x = 118,599,853.39
  5. Step 5: Solve for x
    x = 118,599,853.39/12,086.12
  6. Step 6: Final answer
    x = 9,812.90

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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.