Home / 12,109.14-18,154.50-6,262.02

Finding the Fourth Proportional to 12,109.14, 18,154.50 and 6,262.02

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Solution

The fourth proportional to 12,109.14, 18,154.50 and 6,262.02 is: 9,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.14 : 18,154.50 = 6,262.02 : x
  2. Step 2: Convert to fraction form
    12,109.14/18,154.50 = 6,262.02/x
  3. Step 3: Cross multiply
    12,109.14x = 18,154.50 × 6,262.02
  4. Step 4: Simplify right side
    12,109.14x = 113,683,842.09
  5. Step 5: Solve for x
    x = 113,683,842.09/12,109.14
  6. Step 6: Final answer
    x = 9,388.27

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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.