Home / 20,160.41-27,817.30-11,775.29

Finding the Fourth Proportional to 20,160.41, 27,817.30 and 11,775.29

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Solution

The fourth proportional to 20,160.41, 27,817.30 and 11,775.29 is: 16,247.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160.41 : 27,817.30 = 11,775.29 : x
  2. Step 2: Convert to fraction form
    20,160.41/27,817.30 = 11,775.29/x
  3. Step 3: Cross multiply
    20,160.41x = 27,817.30 × 11,775.29
  4. Step 4: Simplify right side
    20,160.41x = 327,556,774.52
  5. Step 5: Solve for x
    x = 327,556,774.52/20,160.41
  6. Step 6: Final answer
    x = 16,247.53

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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.