Home / 12,157.38-18,225.09-6,296.22

Finding the Fourth Proportional to 12,157.38, 18,225.09 and 6,296.22

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Solution

The fourth proportional to 12,157.38, 18,225.09 and 6,296.22 is: 9,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.38 : 18,225.09 = 6,296.22 : x
  2. Step 2: Convert to fraction form
    12,157.38/18,225.09 = 6,296.22/x
  3. Step 3: Cross multiply
    12,157.38x = 18,225.09 × 6,296.22
  4. Step 4: Simplify right side
    12,157.38x = 114,749,176.16
  5. Step 5: Solve for x
    x = 114,749,176.16/12,157.38
  6. Step 6: Final answer
    x = 9,438.64

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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.