Home / 17,962.88-26,869.30-12,625.72

Finding the Fourth Proportional to 17,962.88, 26,869.30 and 12,625.72

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Solution

The fourth proportional to 17,962.88, 26,869.30 and 12,625.72 is: 18,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,962.88 : 26,869.30 = 12,625.72 : x
  2. Step 2: Convert to fraction form
    17,962.88/26,869.30 = 12,625.72/x
  3. Step 3: Cross multiply
    17,962.88x = 26,869.30 × 12,625.72
  4. Step 4: Simplify right side
    17,962.88x = 339,244,258.40
  5. Step 5: Solve for x
    x = 339,244,258.40/17,962.88
  6. Step 6: Final answer
    x = 18,885.85

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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.