Home / 9,284.20-12,811.62-8,541.16

Finding the Fourth Proportional to 9,284.20, 12,811.62 and 8,541.16

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Solution

The fourth proportional to 9,284.20, 12,811.62 and 8,541.16 is: 11,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284.20 : 12,811.62 = 8,541.16 : x
  2. Step 2: Convert to fraction form
    9,284.20/12,811.62 = 8,541.16/x
  3. Step 3: Cross multiply
    9,284.20x = 12,811.62 × 8,541.16
  4. Step 4: Simplify right side
    9,284.20x = 109,426,096.28
  5. Step 5: Solve for x
    x = 109,426,096.28/9,284.20
  6. Step 6: Final answer
    x = 11,786.27

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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.