Home / 12,924.60-17,837.64-7,619.91

Finding the Fourth Proportional to 12,924.60, 17,837.64 and 7,619.91

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Solution

The fourth proportional to 12,924.60, 17,837.64 and 7,619.91 is: 10,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.60 : 17,837.64 = 7,619.91 : x
  2. Step 2: Convert to fraction form
    12,924.60/17,837.64 = 7,619.91/x
  3. Step 3: Cross multiply
    12,924.60x = 17,837.64 × 7,619.91
  4. Step 4: Simplify right side
    12,924.60x = 135,921,211.41
  5. Step 5: Solve for x
    x = 135,921,211.41/12,924.60
  6. Step 6: Final answer
    x = 10,516.47

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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.