Home / 19,774.01-27,287.31-11,820.62

Finding the Fourth Proportional to 19,774.01, 27,287.31 and 11,820.62

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Solution

The fourth proportional to 19,774.01, 27,287.31 and 11,820.62 is: 16,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.01 : 27,287.31 = 11,820.62 : x
  2. Step 2: Convert to fraction form
    19,774.01/27,287.31 = 11,820.62/x
  3. Step 3: Cross multiply
    19,774.01x = 27,287.31 × 11,820.62
  4. Step 4: Simplify right side
    19,774.01x = 322,552,785.90
  5. Step 5: Solve for x
    x = 322,552,785.90/19,774.01
  6. Step 6: Final answer
    x = 16,311.96

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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.