Home / 12,962.97-19,447.53-4,197.87

Finding the Fourth Proportional to 12,962.97, 19,447.53 and 4,197.87

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Solution

The fourth proportional to 12,962.97, 19,447.53 and 4,197.87 is: 6,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.97 : 19,447.53 = 4,197.87 : x
  2. Step 2: Convert to fraction form
    12,962.97/19,447.53 = 4,197.87/x
  3. Step 3: Cross multiply
    12,962.97x = 19,447.53 × 4,197.87
  4. Step 4: Simplify right side
    12,962.97x = 81,638,202.76
  5. Step 5: Solve for x
    x = 81,638,202.76/12,962.97
  6. Step 6: Final answer
    x = 6,297.80

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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.