Home / 13,538.72-20,269.20-10,004.96

Finding the Fourth Proportional to 13,538.72, 20,269.20 and 10,004.96

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Solution

The fourth proportional to 13,538.72, 20,269.20 and 10,004.96 is: 14,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538.72 : 20,269.20 = 10,004.96 : x
  2. Step 2: Convert to fraction form
    13,538.72/20,269.20 = 10,004.96/x
  3. Step 3: Cross multiply
    13,538.72x = 20,269.20 × 10,004.96
  4. Step 4: Simplify right side
    13,538.72x = 202,792,535.23
  5. Step 5: Solve for x
    x = 202,792,535.23/13,538.72
  6. Step 6: Final answer
    x = 14,978.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.