Home / 10,345.18-15,517.74-3,768.67

Finding the Fourth Proportional to 10,345.18, 15,517.74 and 3,768.67

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Solution

The fourth proportional to 10,345.18, 15,517.74 and 3,768.67 is: 5,652.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.18 : 15,517.74 = 3,768.67 : x
  2. Step 2: Convert to fraction form
    10,345.18/15,517.74 = 3,768.67/x
  3. Step 3: Cross multiply
    10,345.18x = 15,517.74 × 3,768.67
  4. Step 4: Simplify right side
    10,345.18x = 58,481,241.21
  5. Step 5: Solve for x
    x = 58,481,241.21/10,345.18
  6. Step 6: Final answer
    x = 5,652.99

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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.