Home / 14,979.92-20,672.34-8,265.22

Finding the Fourth Proportional to 14,979.92, 20,672.34 and 8,265.22

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Solution

The fourth proportional to 14,979.92, 20,672.34 and 8,265.22 is: 11,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.92 : 20,672.34 = 8,265.22 : x
  2. Step 2: Convert to fraction form
    14,979.92/20,672.34 = 8,265.22/x
  3. Step 3: Cross multiply
    14,979.92x = 20,672.34 × 8,265.22
  4. Step 4: Simplify right side
    14,979.92x = 170,861,438.01
  5. Step 5: Solve for x
    x = 170,861,438.01/14,979.92
  6. Step 6: Final answer
    x = 11,406.03

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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.