Home / 12,834.96-17,712.24-7,245.84

Finding the Fourth Proportional to 12,834.96, 17,712.24 and 7,245.84

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Solution

The fourth proportional to 12,834.96, 17,712.24 and 7,245.84 is: 9,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.96 : 17,712.24 = 7,245.84 : x
  2. Step 2: Convert to fraction form
    12,834.96/17,712.24 = 7,245.84/x
  3. Step 3: Cross multiply
    12,834.96x = 17,712.24 × 7,245.84
  4. Step 4: Simplify right side
    12,834.96x = 128,340,057.08
  5. Step 5: Solve for x
    x = 128,340,057.08/12,834.96
  6. Step 6: Final answer
    x = 9,999.26

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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.