Home / 11,717.40-16,193.34-8,743.08

Finding the Fourth Proportional to 11,717.40, 16,193.34 and 8,743.08

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Solution

The fourth proportional to 11,717.40, 16,193.34 and 8,743.08 is: 12,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.40 : 16,193.34 = 8,743.08 : x
  2. Step 2: Convert to fraction form
    11,717.40/16,193.34 = 8,743.08/x
  3. Step 3: Cross multiply
    11,717.40x = 16,193.34 × 8,743.08
  4. Step 4: Simplify right side
    11,717.40x = 141,579,667.09
  5. Step 5: Solve for x
    x = 141,579,667.09/11,717.40
  6. Step 6: Final answer
    x = 12,082.86

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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.