Home / 11,385.73-17,080.65-5,148.68

Finding the Fourth Proportional to 11,385.73, 17,080.65 and 5,148.68

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Solution

The fourth proportional to 11,385.73, 17,080.65 and 5,148.68 is: 7,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.73 : 17,080.65 = 5,148.68 : x
  2. Step 2: Convert to fraction form
    11,385.73/17,080.65 = 5,148.68/x
  3. Step 3: Cross multiply
    11,385.73x = 17,080.65 × 5,148.68
  4. Step 4: Simplify right side
    11,385.73x = 87,942,801.04
  5. Step 5: Solve for x
    x = 87,942,801.04/11,385.73
  6. Step 6: Final answer
    x = 7,723.95

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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.