Home / 20,237.77-27,927.39-11,740.06

Finding the Fourth Proportional to 20,237.77, 27,927.39 and 11,740.06

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Solution

The fourth proportional to 20,237.77, 27,927.39 and 11,740.06 is: 16,200.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.77 : 27,927.39 = 11,740.06 : x
  2. Step 2: Convert to fraction form
    20,237.77/27,927.39 = 11,740.06/x
  3. Step 3: Cross multiply
    20,237.77x = 27,927.39 × 11,740.06
  4. Step 4: Simplify right side
    20,237.77x = 327,869,234.24
  5. Step 5: Solve for x
    x = 327,869,234.24/20,237.77
  6. Step 6: Final answer
    x = 16,200.86

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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.