Home / 20,232.96-27,889.02-12,260.13

Finding the Fourth Proportional to 20,232.96, 27,889.02 and 12,260.13

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Solution

The fourth proportional to 20,232.96, 27,889.02 and 12,260.13 is: 16,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.96 : 27,889.02 = 12,260.13 : x
  2. Step 2: Convert to fraction form
    20,232.96/27,889.02 = 12,260.13/x
  3. Step 3: Cross multiply
    20,232.96x = 27,889.02 × 12,260.13
  4. Step 4: Simplify right side
    20,232.96x = 341,923,010.77
  5. Step 5: Solve for x
    x = 341,923,010.77/20,232.96
  6. Step 6: Final answer
    x = 16,899.31

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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.