Home / 20,362.08-30,551.88-11,000.21

Finding the Fourth Proportional to 20,362.08, 30,551.88 and 11,000.21

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Solution

The fourth proportional to 20,362.08, 30,551.88 and 11,000.21 is: 16,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.08 : 30,551.88 = 11,000.21 : x
  2. Step 2: Convert to fraction form
    20,362.08/30,551.88 = 11,000.21/x
  3. Step 3: Cross multiply
    20,362.08x = 30,551.88 × 11,000.21
  4. Step 4: Simplify right side
    20,362.08x = 336,076,984.39
  5. Step 5: Solve for x
    x = 336,076,984.39/20,362.08
  6. Step 6: Final answer
    x = 16,505.04

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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.