Home / 22,276.62-30,741.75-12,205.08

Finding the Fourth Proportional to 22,276.62, 30,741.75 and 12,205.08

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Solution

The fourth proportional to 22,276.62, 30,741.75 and 12,205.08 is: 16,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,276.62 : 30,741.75 = 12,205.08 : x
  2. Step 2: Convert to fraction form
    22,276.62/30,741.75 = 12,205.08/x
  3. Step 3: Cross multiply
    22,276.62x = 30,741.75 × 12,205.08
  4. Step 4: Simplify right side
    22,276.62x = 375,205,518.09
  5. Step 5: Solve for x
    x = 375,205,518.09/22,276.62
  6. Step 6: Final answer
    x = 16,843.02

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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.