Home / 12,581.06-17,341.70-8,546.72

Finding the Fourth Proportional to 12,581.06, 17,341.70 and 8,546.72

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Solution

The fourth proportional to 12,581.06, 17,341.70 and 8,546.72 is: 11,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.06 : 17,341.70 = 8,546.72 : x
  2. Step 2: Convert to fraction form
    12,581.06/17,341.70 = 8,546.72/x
  3. Step 3: Cross multiply
    12,581.06x = 17,341.70 × 8,546.72
  4. Step 4: Simplify right side
    12,581.06x = 148,214,524.78
  5. Step 5: Solve for x
    x = 148,214,524.78/12,581.06
  6. Step 6: Final answer
    x = 11,780.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.