Home / 15,212.09-22,817.93-12,609.56

Finding the Fourth Proportional to 15,212.09, 22,817.93 and 12,609.56

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Solution

The fourth proportional to 15,212.09, 22,817.93 and 12,609.56 is: 18,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212.09 : 22,817.93 = 12,609.56 : x
  2. Step 2: Convert to fraction form
    15,212.09/22,817.93 = 12,609.56/x
  3. Step 3: Cross multiply
    15,212.09x = 22,817.93 × 12,609.56
  4. Step 4: Simplify right side
    15,212.09x = 287,723,880.27
  5. Step 5: Solve for x
    x = 287,723,880.27/15,212.09
  6. Step 6: Final answer
    x = 18,914.16

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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.