Home / 12,176.40-18,250.20-9,094.80

Finding the Fourth Proportional to 12,176.40, 18,250.20 and 9,094.80

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Solution

The fourth proportional to 12,176.40, 18,250.20 and 9,094.80 is: 13,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.40 : 18,250.20 = 9,094.80 : x
  2. Step 2: Convert to fraction form
    12,176.40/18,250.20 = 9,094.80/x
  3. Step 3: Cross multiply
    12,176.40x = 18,250.20 × 9,094.80
  4. Step 4: Simplify right side
    12,176.40x = 165,981,918.96
  5. Step 5: Solve for x
    x = 165,981,918.96/12,176.40
  6. Step 6: Final answer
    x = 13,631.44

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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.