Home / 9,190.28-13,780.20-6,272.12

Finding the Fourth Proportional to 9,190.28, 13,780.20 and 6,272.12

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Solution

The fourth proportional to 9,190.28, 13,780.20 and 6,272.12 is: 9,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.28 : 13,780.20 = 6,272.12 : x
  2. Step 2: Convert to fraction form
    9,190.28/13,780.20 = 6,272.12/x
  3. Step 3: Cross multiply
    9,190.28x = 13,780.20 × 6,272.12
  4. Step 4: Simplify right side
    9,190.28x = 86,431,068.02
  5. Step 5: Solve for x
    x = 86,431,068.02/9,190.28
  6. Step 6: Final answer
    x = 9,404.62

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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.