Home / 12,325.68-18,482.60-8,629.66

Finding the Fourth Proportional to 12,325.68, 18,482.60 and 8,629.66

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Solution

The fourth proportional to 12,325.68, 18,482.60 and 8,629.66 is: 12,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.68 : 18,482.60 = 8,629.66 : x
  2. Step 2: Convert to fraction form
    12,325.68/18,482.60 = 8,629.66/x
  3. Step 3: Cross multiply
    12,325.68x = 18,482.60 × 8,629.66
  4. Step 4: Simplify right side
    12,325.68x = 159,498,553.92
  5. Step 5: Solve for x
    x = 159,498,553.92/12,325.68
  6. Step 6: Final answer
    x = 12,940.35

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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.