Home / 19,404.64-26,780.16-11,023.84

Finding the Fourth Proportional to 19,404.64, 26,780.16 and 11,023.84

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Solution

The fourth proportional to 19,404.64, 26,780.16 and 11,023.84 is: 15,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,404.64 : 26,780.16 = 11,023.84 : x
  2. Step 2: Convert to fraction form
    19,404.64/26,780.16 = 11,023.84/x
  3. Step 3: Cross multiply
    19,404.64x = 26,780.16 × 11,023.84
  4. Step 4: Simplify right side
    19,404.64x = 295,220,199.01
  5. Step 5: Solve for x
    x = 295,220,199.01/19,404.64
  6. Step 6: Final answer
    x = 15,213.90

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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.