Home / 14,979.22-20,672.48-8,265.43

Finding the Fourth Proportional to 14,979.22, 20,672.48 and 8,265.43

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Solution

The fourth proportional to 14,979.22, 20,672.48 and 8,265.43 is: 11,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.22 : 20,672.48 = 8,265.43 : x
  2. Step 2: Convert to fraction form
    14,979.22/20,672.48 = 8,265.43/x
  3. Step 3: Cross multiply
    14,979.22x = 20,672.48 × 8,265.43
  4. Step 4: Simplify right side
    14,979.22x = 170,866,936.37
  5. Step 5: Solve for x
    x = 170,866,936.37/14,979.22
  6. Step 6: Final answer
    x = 11,406.93

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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.