Home / 12,924.78-19,375.60-6,257.51

Finding the Fourth Proportional to 12,924.78, 19,375.60 and 6,257.51

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Solution

The fourth proportional to 12,924.78, 19,375.60 and 6,257.51 is: 9,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.78 : 19,375.60 = 6,257.51 : x
  2. Step 2: Convert to fraction form
    12,924.78/19,375.60 = 6,257.51/x
  3. Step 3: Cross multiply
    12,924.78x = 19,375.60 × 6,257.51
  4. Step 4: Simplify right side
    12,924.78x = 121,243,010.76
  5. Step 5: Solve for x
    x = 121,243,010.76/12,924.78
  6. Step 6: Final answer
    x = 9,380.66

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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.