Home / 14,979.73-20,671.91-8,265.64

Finding the Fourth Proportional to 14,979.73, 20,671.91 and 8,265.64

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Solution

The fourth proportional to 14,979.73, 20,671.91 and 8,265.64 is: 11,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.73 : 20,671.91 = 8,265.64 : x
  2. Step 2: Convert to fraction form
    14,979.73/20,671.91 = 8,265.64/x
  3. Step 3: Cross multiply
    14,979.73x = 20,671.91 × 8,265.64
  4. Step 4: Simplify right side
    14,979.73x = 170,866,473.16
  5. Step 5: Solve for x
    x = 170,866,473.16/14,979.73
  6. Step 6: Final answer
    x = 11,406.51

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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.