Home / 13,176.24-19,761.12-3,942.24

Finding the Fourth Proportional to 13,176.24, 19,761.12 and 3,942.24

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Solution

The fourth proportional to 13,176.24, 19,761.12 and 3,942.24 is: 5,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.24 : 19,761.12 = 3,942.24 : x
  2. Step 2: Convert to fraction form
    13,176.24/19,761.12 = 3,942.24/x
  3. Step 3: Cross multiply
    13,176.24x = 19,761.12 × 3,942.24
  4. Step 4: Simplify right side
    13,176.24x = 77,903,077.71
  5. Step 5: Solve for x
    x = 77,903,077.71/13,176.24
  6. Step 6: Final answer
    x = 5,912.39

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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.