Home / 12,258.22-18,364.20-7,245.63

Finding the Fourth Proportional to 12,258.22, 18,364.20 and 7,245.63

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Solution

The fourth proportional to 12,258.22, 18,364.20 and 7,245.63 is: 10,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.22 : 18,364.20 = 7,245.63 : x
  2. Step 2: Convert to fraction form
    12,258.22/18,364.20 = 7,245.63/x
  3. Step 3: Cross multiply
    12,258.22x = 18,364.20 × 7,245.63
  4. Step 4: Simplify right side
    12,258.22x = 133,060,198.45
  5. Step 5: Solve for x
    x = 133,060,198.45/12,258.22
  6. Step 6: Final answer
    x = 10,854.77

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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.