Home / 19,774.60-27,301.92-11,819.32

Finding the Fourth Proportional to 19,774.60, 27,301.92 and 11,819.32

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Solution

The fourth proportional to 19,774.60, 27,301.92 and 11,819.32 is: 16,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.60 : 27,301.92 = 11,819.32 : x
  2. Step 2: Convert to fraction form
    19,774.60/27,301.92 = 11,819.32/x
  3. Step 3: Cross multiply
    19,774.60x = 27,301.92 × 11,819.32
  4. Step 4: Simplify right side
    19,774.60x = 322,690,129.09
  5. Step 5: Solve for x
    x = 322,690,129.09/19,774.60
  6. Step 6: Final answer
    x = 16,318.41

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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.