Home / 12,214.72-16,863.87-9,376.66

Finding the Fourth Proportional to 12,214.72, 16,863.87 and 9,376.66

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Solution

The fourth proportional to 12,214.72, 16,863.87 and 9,376.66 is: 12,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.72 : 16,863.87 = 9,376.66 : x
  2. Step 2: Convert to fraction form
    12,214.72/16,863.87 = 9,376.66/x
  3. Step 3: Cross multiply
    12,214.72x = 16,863.87 × 9,376.66
  4. Step 4: Simplify right side
    12,214.72x = 158,126,775.27
  5. Step 5: Solve for x
    x = 158,126,775.27/12,214.72
  6. Step 6: Final answer
    x = 12,945.59

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1.5x scale

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.