Home / 12,948.88-19,424.64-12,249.04

Finding the Fourth Proportional to 12,948.88, 19,424.64 and 12,249.04

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Solution

The fourth proportional to 12,948.88, 19,424.64 and 12,249.04 is: 18,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.88 : 19,424.64 = 12,249.04 : x
  2. Step 2: Convert to fraction form
    12,948.88/19,424.64 = 12,249.04/x
  3. Step 3: Cross multiply
    12,948.88x = 19,424.64 × 12,249.04
  4. Step 4: Simplify right side
    12,948.88x = 237,933,192.35
  5. Step 5: Solve for x
    x = 237,933,192.35/12,948.88
  6. Step 6: Final answer
    x = 18,374.81

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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.