Home / 12,167.26-18,251.03-4,775.20

Finding the Fourth Proportional to 12,167.26, 18,251.03 and 4,775.20

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Solution

The fourth proportional to 12,167.26, 18,251.03 and 4,775.20 is: 7,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.26 : 18,251.03 = 4,775.20 : x
  2. Step 2: Convert to fraction form
    12,167.26/18,251.03 = 4,775.20/x
  3. Step 3: Cross multiply
    12,167.26x = 18,251.03 × 4,775.20
  4. Step 4: Simplify right side
    12,167.26x = 87,152,284.77
  5. Step 5: Solve for x
    x = 87,152,284.77/12,167.26
  6. Step 6: Final answer
    x = 7,162.85

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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.