Home / 10,872.04-16,308.06-3,080.85

Finding the Fourth Proportional to 10,872.04, 16,308.06 and 3,080.85

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Solution

The fourth proportional to 10,872.04, 16,308.06 and 3,080.85 is: 4,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.04 : 16,308.06 = 3,080.85 : x
  2. Step 2: Convert to fraction form
    10,872.04/16,308.06 = 3,080.85/x
  3. Step 3: Cross multiply
    10,872.04x = 16,308.06 × 3,080.85
  4. Step 4: Simplify right side
    10,872.04x = 50,242,686.65
  5. Step 5: Solve for x
    x = 50,242,686.65/10,872.04
  6. Step 6: Final answer
    x = 4,621.28

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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.