Home / 15,013.82-20,723.92-9,704.54

Finding the Fourth Proportional to 15,013.82, 20,723.92 and 9,704.54

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Solution

The fourth proportional to 15,013.82, 20,723.92 and 9,704.54 is: 13,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013.82 : 20,723.92 = 9,704.54 : x
  2. Step 2: Convert to fraction form
    15,013.82/20,723.92 = 9,704.54/x
  3. Step 3: Cross multiply
    15,013.82x = 20,723.92 × 9,704.54
  4. Step 4: Simplify right side
    15,013.82x = 201,116,110.60
  5. Step 5: Solve for x
    x = 201,116,110.60/15,013.82
  6. Step 6: Final answer
    x = 13,395.40

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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.