Home / 12,834.31-17,710.20-7,168.27

Finding the Fourth Proportional to 12,834.31, 17,710.20 and 7,168.27

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Solution

The fourth proportional to 12,834.31, 17,710.20 and 7,168.27 is: 9,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.31 : 17,710.20 = 7,168.27 : x
  2. Step 2: Convert to fraction form
    12,834.31/17,710.20 = 7,168.27/x
  3. Step 3: Cross multiply
    12,834.31x = 17,710.20 × 7,168.27
  4. Step 4: Simplify right side
    12,834.31x = 126,951,459.51
  5. Step 5: Solve for x
    x = 126,951,459.51/12,834.31
  6. Step 6: Final answer
    x = 9,891.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.