Home / 10,485.18-15,704.08-5,542.56

Finding the Fourth Proportional to 10,485.18, 15,704.08 and 5,542.56

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Solution

The fourth proportional to 10,485.18, 15,704.08 and 5,542.56 is: 8,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.18 : 15,704.08 = 5,542.56 : x
  2. Step 2: Convert to fraction form
    10,485.18/15,704.08 = 5,542.56/x
  3. Step 3: Cross multiply
    10,485.18x = 15,704.08 × 5,542.56
  4. Step 4: Simplify right side
    10,485.18x = 87,040,791.79
  5. Step 5: Solve for x
    x = 87,040,791.79/10,485.18
  6. Step 6: Final answer
    x = 8,301.32

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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.