Home / 12,195.72-16,828.92-9,010.98

Finding the Fourth Proportional to 12,195.72, 16,828.92 and 9,010.98

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Solution

The fourth proportional to 12,195.72, 16,828.92 and 9,010.98 is: 12,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.72 : 16,828.92 = 9,010.98 : x
  2. Step 2: Convert to fraction form
    12,195.72/16,828.92 = 9,010.98/x
  3. Step 3: Cross multiply
    12,195.72x = 16,828.92 × 9,010.98
  4. Step 4: Simplify right side
    12,195.72x = 151,645,061.54
  5. Step 5: Solve for x
    x = 151,645,061.54/12,195.72
  6. Step 6: Final answer
    x = 12,434.29

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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.