Home / 12,641.88-18,937.42-6,297.64

Finding the Fourth Proportional to 12,641.88, 18,937.42 and 6,297.64

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Solution

The fourth proportional to 12,641.88, 18,937.42 and 6,297.64 is: 9,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,641.88 : 18,937.42 = 6,297.64 : x
  2. Step 2: Convert to fraction form
    12,641.88/18,937.42 = 6,297.64/x
  3. Step 3: Cross multiply
    12,641.88x = 18,937.42 × 6,297.64
  4. Step 4: Simplify right side
    12,641.88x = 119,261,053.69
  5. Step 5: Solve for x
    x = 119,261,053.69/12,641.88
  6. Step 6: Final answer
    x = 9,433.81

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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.