Home / 13,180.46-19,773.75-3,820.67

Finding the Fourth Proportional to 13,180.46, 19,773.75 and 3,820.67

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Solution

The fourth proportional to 13,180.46, 19,773.75 and 3,820.67 is: 5,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.46 : 19,773.75 = 3,820.67 : x
  2. Step 2: Convert to fraction form
    13,180.46/19,773.75 = 3,820.67/x
  3. Step 3: Cross multiply
    13,180.46x = 19,773.75 × 3,820.67
  4. Step 4: Simplify right side
    13,180.46x = 75,548,963.02
  5. Step 5: Solve for x
    x = 75,548,963.02/13,180.46
  6. Step 6: Final answer
    x = 5,731.89

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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.