Home / 16,872.12-23,270.70-11,273.40

Finding the Fourth Proportional to 16,872.12, 23,270.70 and 11,273.40

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Solution

The fourth proportional to 16,872.12, 23,270.70 and 11,273.40 is: 15,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.12 : 23,270.70 = 11,273.40 : x
  2. Step 2: Convert to fraction form
    16,872.12/23,270.70 = 11,273.40/x
  3. Step 3: Cross multiply
    16,872.12x = 23,270.70 × 11,273.40
  4. Step 4: Simplify right side
    16,872.12x = 262,339,909.38
  5. Step 5: Solve for x
    x = 262,339,909.38/16,872.12
  6. Step 6: Final answer
    x = 15,548.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.