Home / 12,622.30-18,958.05-10,284.03

Finding the Fourth Proportional to 12,622.30, 18,958.05 and 10,284.03

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Solution

The fourth proportional to 12,622.30, 18,958.05 and 10,284.03 is: 15,446.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.30 : 18,958.05 = 10,284.03 : x
  2. Step 2: Convert to fraction form
    12,622.30/18,958.05 = 10,284.03/x
  3. Step 3: Cross multiply
    12,622.30x = 18,958.05 × 10,284.03
  4. Step 4: Simplify right side
    12,622.30x = 194,965,154.94
  5. Step 5: Solve for x
    x = 194,965,154.94/12,622.30
  6. Step 6: Final answer
    x = 15,446.09

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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.