Home / 12,451.32-18,682.45-6,608.39

Finding the Fourth Proportional to 12,451.32, 18,682.45 and 6,608.39

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Solution

The fourth proportional to 12,451.32, 18,682.45 and 6,608.39 is: 9,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.32 : 18,682.45 = 6,608.39 : x
  2. Step 2: Convert to fraction form
    12,451.32/18,682.45 = 6,608.39/x
  3. Step 3: Cross multiply
    12,451.32x = 18,682.45 × 6,608.39
  4. Step 4: Simplify right side
    12,451.32x = 123,460,805.82
  5. Step 5: Solve for x
    x = 123,460,805.82/12,451.32
  6. Step 6: Final answer
    x = 9,915.48

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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.