Home / 21,160.56-29,201.86-11,601.34

Finding the Fourth Proportional to 21,160.56, 29,201.86 and 11,601.34

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Solution

The fourth proportional to 21,160.56, 29,201.86 and 11,601.34 is: 16,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.56 : 29,201.86 = 11,601.34 : x
  2. Step 2: Convert to fraction form
    21,160.56/29,201.86 = 11,601.34/x
  3. Step 3: Cross multiply
    21,160.56x = 29,201.86 × 11,601.34
  4. Step 4: Simplify right side
    21,160.56x = 338,780,706.49
  5. Step 5: Solve for x
    x = 338,780,706.49/21,160.56
  6. Step 6: Final answer
    x = 16,010.01

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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.