Home / 10,830.80-16,246.65-3,435.09

Finding the Fourth Proportional to 10,830.80, 16,246.65 and 3,435.09

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Solution

The fourth proportional to 10,830.80, 16,246.65 and 3,435.09 is: 5,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.80 : 16,246.65 = 3,435.09 : x
  2. Step 2: Convert to fraction form
    10,830.80/16,246.65 = 3,435.09/x
  3. Step 3: Cross multiply
    10,830.80x = 16,246.65 × 3,435.09
  4. Step 4: Simplify right side
    10,830.80x = 55,808,704.95
  5. Step 5: Solve for x
    x = 55,808,704.95/10,830.80
  6. Step 6: Final answer
    x = 5,152.78

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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.