Home / 9,512.34-13,133.19-8,515.90

Finding the Fourth Proportional to 9,512.34, 13,133.19 and 8,515.90

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Solution

The fourth proportional to 9,512.34, 13,133.19 and 8,515.90 is: 11,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.34 : 13,133.19 = 8,515.90 : x
  2. Step 2: Convert to fraction form
    9,512.34/13,133.19 = 8,515.90/x
  3. Step 3: Cross multiply
    9,512.34x = 13,133.19 × 8,515.90
  4. Step 4: Simplify right side
    9,512.34x = 111,840,932.72
  5. Step 5: Solve for x
    x = 111,840,932.72/9,512.34
  6. Step 6: Final answer
    x = 11,757.46

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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.