Home / 20,123.58-27,773.85-11,740.06

Finding the Fourth Proportional to 20,123.58, 27,773.85 and 11,740.06

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Solution

The fourth proportional to 20,123.58, 27,773.85 and 11,740.06 is: 16,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123.58 : 27,773.85 = 11,740.06 : x
  2. Step 2: Convert to fraction form
    20,123.58/27,773.85 = 11,740.06/x
  3. Step 3: Cross multiply
    20,123.58x = 27,773.85 × 11,740.06
  4. Step 4: Simplify right side
    20,123.58x = 326,066,665.43
  5. Step 5: Solve for x
    x = 326,066,665.43/20,123.58
  6. Step 6: Final answer
    x = 16,203.21

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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.