Home / 9,128.61-13,704.26-9,086.49

Finding the Fourth Proportional to 9,128.61, 13,704.26 and 9,086.49

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Solution

The fourth proportional to 9,128.61, 13,704.26 and 9,086.49 is: 13,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128.61 : 13,704.26 = 9,086.49 : x
  2. Step 2: Convert to fraction form
    9,128.61/13,704.26 = 9,086.49/x
  3. Step 3: Cross multiply
    9,128.61x = 13,704.26 × 9,086.49
  4. Step 4: Simplify right side
    9,128.61x = 124,523,576.01
  5. Step 5: Solve for x
    x = 124,523,576.01/9,128.61
  6. Step 6: Final answer
    x = 13,641.02

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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.