Home / 14,639.67-20,201.00-8,265.78

Finding the Fourth Proportional to 14,639.67, 20,201.00 and 8,265.78

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Solution

The fourth proportional to 14,639.67, 20,201.00 and 8,265.78 is: 11,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.67 : 20,201.00 = 8,265.78 : x
  2. Step 2: Convert to fraction form
    14,639.67/20,201.00 = 8,265.78/x
  3. Step 3: Cross multiply
    14,639.67x = 20,201.00 × 8,265.78
  4. Step 4: Simplify right side
    14,639.67x = 166,976,980.45
  5. Step 5: Solve for x
    x = 166,976,980.45/14,639.67
  6. Step 6: Final answer
    x = 11,405.79

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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.