Home / 11,207.12-16,810.67-3,816.88

Finding the Fourth Proportional to 11,207.12, 16,810.67 and 3,816.88

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Solution

The fourth proportional to 11,207.12, 16,810.67 and 3,816.88 is: 5,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.12 : 16,810.67 = 3,816.88 : x
  2. Step 2: Convert to fraction form
    11,207.12/16,810.67 = 3,816.88/x
  3. Step 3: Cross multiply
    11,207.12x = 16,810.67 × 3,816.88
  4. Step 4: Simplify right side
    11,207.12x = 64,164,277.63
  5. Step 5: Solve for x
    x = 64,164,277.63/11,207.12
  6. Step 6: Final answer
    x = 5,725.32

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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.