Home / 10,872.08-16,306.08-3,080.84

Finding the Fourth Proportional to 10,872.08, 16,306.08 and 3,080.84

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Solution

The fourth proportional to 10,872.08, 16,306.08 and 3,080.84 is: 4,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.08 : 16,306.08 = 3,080.84 : x
  2. Step 2: Convert to fraction form
    10,872.08/16,306.08 = 3,080.84/x
  3. Step 3: Cross multiply
    10,872.08x = 16,306.08 × 3,080.84
  4. Step 4: Simplify right side
    10,872.08x = 50,236,423.51
  5. Step 5: Solve for x
    x = 50,236,423.51/10,872.08
  6. Step 6: Final answer
    x = 4,620.68

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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.