Home / 10,234.55-15,351.14-3,993.40

Finding the Fourth Proportional to 10,234.55, 15,351.14 and 3,993.40

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Solution

The fourth proportional to 10,234.55, 15,351.14 and 3,993.40 is: 5,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.55 : 15,351.14 = 3,993.40 : x
  2. Step 2: Convert to fraction form
    10,234.55/15,351.14 = 3,993.40/x
  3. Step 3: Cross multiply
    10,234.55x = 15,351.14 × 3,993.40
  4. Step 4: Simplify right side
    10,234.55x = 61,303,249.19
  5. Step 5: Solve for x
    x = 61,303,249.19/10,234.55
  6. Step 6: Final answer
    x = 5,989.83

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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.