Home / 17,967.88-26,876.80-12,630.72

Finding the Fourth Proportional to 17,967.88, 26,876.80 and 12,630.72

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Solution

The fourth proportional to 17,967.88, 26,876.80 and 12,630.72 is: 18,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,967.88 : 26,876.80 = 12,630.72 : x
  2. Step 2: Convert to fraction form
    17,967.88/26,876.80 = 12,630.72/x
  3. Step 3: Cross multiply
    17,967.88x = 26,876.80 × 12,630.72
  4. Step 4: Simplify right side
    17,967.88x = 339,473,335.30
  5. Step 5: Solve for x
    x = 339,473,335.30/17,967.88
  6. Step 6: Final answer
    x = 18,893.34

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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.