Home / 14,639.39-20,197.38-8,265.23

Finding the Fourth Proportional to 14,639.39, 20,197.38 and 8,265.23

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Solution

The fourth proportional to 14,639.39, 20,197.38 and 8,265.23 is: 11,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.39 : 20,197.38 = 8,265.23 : x
  2. Step 2: Convert to fraction form
    14,639.39/20,197.38 = 8,265.23/x
  3. Step 3: Cross multiply
    14,639.39x = 20,197.38 × 8,265.23
  4. Step 4: Simplify right side
    14,639.39x = 166,935,991.10
  5. Step 5: Solve for x
    x = 166,935,991.10/14,639.39
  6. Step 6: Final answer
    x = 11,403.21

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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.