Home / 14,673.38-20,241.81-9,286.72

Finding the Fourth Proportional to 14,673.38, 20,241.81 and 9,286.72

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Solution

The fourth proportional to 14,673.38, 20,241.81 and 9,286.72 is: 12,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.38 : 20,241.81 = 9,286.72 : x
  2. Step 2: Convert to fraction form
    14,673.38/20,241.81 = 9,286.72/x
  3. Step 3: Cross multiply
    14,673.38x = 20,241.81 × 9,286.72
  4. Step 4: Simplify right side
    14,673.38x = 187,979,971.16
  5. Step 5: Solve for x
    x = 187,979,971.16/14,673.38
  6. Step 6: Final answer
    x = 12,810.96

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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.