Home / 20,094.30-27,729.81-11,141.57

Finding the Fourth Proportional to 20,094.30, 27,729.81 and 11,141.57

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Solution

The fourth proportional to 20,094.30, 27,729.81 and 11,141.57 is: 15,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,094.30 : 27,729.81 = 11,141.57 : x
  2. Step 2: Convert to fraction form
    20,094.30/27,729.81 = 11,141.57/x
  3. Step 3: Cross multiply
    20,094.30x = 27,729.81 × 11,141.57
  4. Step 4: Simplify right side
    20,094.30x = 308,953,688.53
  5. Step 5: Solve for x
    x = 308,953,688.53/20,094.30
  6. Step 6: Final answer
    x = 15,375.19

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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.