Home / 12,494.88-18,741.36-5,097.36

Finding the Fourth Proportional to 12,494.88, 18,741.36 and 5,097.36

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Solution

The fourth proportional to 12,494.88, 18,741.36 and 5,097.36 is: 7,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.88 : 18,741.36 = 5,097.36 : x
  2. Step 2: Convert to fraction form
    12,494.88/18,741.36 = 5,097.36/x
  3. Step 3: Cross multiply
    12,494.88x = 18,741.36 × 5,097.36
  4. Step 4: Simplify right side
    12,494.88x = 95,531,458.81
  5. Step 5: Solve for x
    x = 95,531,458.81/12,494.88
  6. Step 6: Final answer
    x = 7,645.65

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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.