Home / 10,800.32-16,202.04-3,405.44

Finding the Fourth Proportional to 10,800.32, 16,202.04 and 3,405.44

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Solution

The fourth proportional to 10,800.32, 16,202.04 and 3,405.44 is: 5,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.32 : 16,202.04 = 3,405.44 : x
  2. Step 2: Convert to fraction form
    10,800.32/16,202.04 = 3,405.44/x
  3. Step 3: Cross multiply
    10,800.32x = 16,202.04 × 3,405.44
  4. Step 4: Simplify right side
    10,800.32x = 55,175,075.10
  5. Step 5: Solve for x
    x = 55,175,075.10/10,800.32
  6. Step 6: Final answer
    x = 5,108.65

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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.