Home / 9,563.13-13,199.63-5,372.73

Finding the Fourth Proportional to 9,563.13, 13,199.63 and 5,372.73

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Solution

The fourth proportional to 9,563.13, 13,199.63 and 5,372.73 is: 7,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,563.13 : 13,199.63 = 5,372.73 : x
  2. Step 2: Convert to fraction form
    9,563.13/13,199.63 = 5,372.73/x
  3. Step 3: Cross multiply
    9,563.13x = 13,199.63 × 5,372.73
  4. Step 4: Simplify right side
    9,563.13x = 70,918,021.23
  5. Step 5: Solve for x
    x = 70,918,021.23/9,563.13
  6. Step 6: Final answer
    x = 7,415.78

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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.