Home / 12,330.80-18,493.97-4,009.67

Finding the Fourth Proportional to 12,330.80, 18,493.97 and 4,009.67

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Solution

The fourth proportional to 12,330.80, 18,493.97 and 4,009.67 is: 6,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.80 : 18,493.97 = 4,009.67 : x
  2. Step 2: Convert to fraction form
    12,330.80/18,493.97 = 4,009.67/x
  3. Step 3: Cross multiply
    12,330.80x = 18,493.97 × 4,009.67
  4. Step 4: Simplify right side
    12,330.80x = 74,154,696.08
  5. Step 5: Solve for x
    x = 74,154,696.08/12,330.80
  6. Step 6: Final answer
    x = 6,013.78

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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.