Home / 10,989.04-16,483.72-3,198.64

Finding the Fourth Proportional to 10,989.04, 16,483.72 and 3,198.64

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Solution

The fourth proportional to 10,989.04, 16,483.72 and 3,198.64 is: 4,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.04 : 16,483.72 = 3,198.64 : x
  2. Step 2: Convert to fraction form
    10,989.04/16,483.72 = 3,198.64/x
  3. Step 3: Cross multiply
    10,989.04x = 16,483.72 × 3,198.64
  4. Step 4: Simplify right side
    10,989.04x = 52,725,486.14
  5. Step 5: Solve for x
    x = 52,725,486.14/10,989.04
  6. Step 6: Final answer
    x = 4,798.01

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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.