Home / 12,933.42-19,404.80-6,364.22

Finding the Fourth Proportional to 12,933.42, 19,404.80 and 6,364.22

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Solution

The fourth proportional to 12,933.42, 19,404.80 and 6,364.22 is: 9,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,933.42 : 19,404.80 = 6,364.22 : x
  2. Step 2: Convert to fraction form
    12,933.42/19,404.80 = 6,364.22/x
  3. Step 3: Cross multiply
    12,933.42x = 19,404.80 × 6,364.22
  4. Step 4: Simplify right side
    12,933.42x = 123,496,420.43
  5. Step 5: Solve for x
    x = 123,496,420.43/12,933.42
  6. Step 6: Final answer
    x = 9,548.63

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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.