Home / 11,385.44-17,080.21-5,148.38

Finding the Fourth Proportional to 11,385.44, 17,080.21 and 5,148.38

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Solution

The fourth proportional to 11,385.44, 17,080.21 and 5,148.38 is: 7,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.44 : 17,080.21 = 5,148.38 : x
  2. Step 2: Convert to fraction form
    11,385.44/17,080.21 = 5,148.38/x
  3. Step 3: Cross multiply
    11,385.44x = 17,080.21 × 5,148.38
  4. Step 4: Simplify right side
    11,385.44x = 87,935,411.56
  5. Step 5: Solve for x
    x = 87,935,411.56/11,385.44
  6. Step 6: Final answer
    x = 7,723.50

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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.