Home / 12,452.80-18,671.54-6,119.62

Finding the Fourth Proportional to 12,452.80, 18,671.54 and 6,119.62

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Solution

The fourth proportional to 12,452.80, 18,671.54 and 6,119.62 is: 9,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.80 : 18,671.54 = 6,119.62 : x
  2. Step 2: Convert to fraction form
    12,452.80/18,671.54 = 6,119.62/x
  3. Step 3: Cross multiply
    12,452.80x = 18,671.54 × 6,119.62
  4. Step 4: Simplify right side
    12,452.80x = 114,262,729.61
  5. Step 5: Solve for x
    x = 114,262,729.61/12,452.80
  6. Step 6: Final answer
    x = 9,175.67

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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.