Home / 12,716.60-19,055.54-6,467.25

Finding the Fourth Proportional to 12,716.60, 19,055.54 and 6,467.25

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Solution

The fourth proportional to 12,716.60, 19,055.54 and 6,467.25 is: 9,691.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.60 : 19,055.54 = 6,467.25 : x
  2. Step 2: Convert to fraction form
    12,716.60/19,055.54 = 6,467.25/x
  3. Step 3: Cross multiply
    12,716.60x = 19,055.54 × 6,467.25
  4. Step 4: Simplify right side
    12,716.60x = 123,236,885.13
  5. Step 5: Solve for x
    x = 123,236,885.13/12,716.60
  6. Step 6: Final answer
    x = 9,691.02

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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.