Home / 9,020.22-12,441.65-8,276.64

Finding the Fourth Proportional to 9,020.22, 12,441.65 and 8,276.64

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Solution

The fourth proportional to 9,020.22, 12,441.65 and 8,276.64 is: 11,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.22 : 12,441.65 = 8,276.64 : x
  2. Step 2: Convert to fraction form
    9,020.22/12,441.65 = 8,276.64/x
  3. Step 3: Cross multiply
    9,020.22x = 12,441.65 × 8,276.64
  4. Step 4: Simplify right side
    9,020.22x = 102,975,016.67
  5. Step 5: Solve for x
    x = 102,975,016.67/9,020.22
  6. Step 6: Final answer
    x = 11,416.02

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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.