Home / 12,608.07-17,398.99-6,942.70

Finding the Fourth Proportional to 12,608.07, 17,398.99 and 6,942.70

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Solution

The fourth proportional to 12,608.07, 17,398.99 and 6,942.70 is: 9,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.07 : 17,398.99 = 6,942.70 : x
  2. Step 2: Convert to fraction form
    12,608.07/17,398.99 = 6,942.70/x
  3. Step 3: Cross multiply
    12,608.07x = 17,398.99 × 6,942.70
  4. Step 4: Simplify right side
    12,608.07x = 120,795,967.87
  5. Step 5: Solve for x
    x = 120,795,967.87/12,608.07
  6. Step 6: Final answer
    x = 9,580.85

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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.