Home / 10,819.12-16,233.36-5,277.28

Finding the Fourth Proportional to 10,819.12, 16,233.36 and 5,277.28

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Solution

The fourth proportional to 10,819.12, 16,233.36 and 5,277.28 is: 7,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.12 : 16,233.36 = 5,277.28 : x
  2. Step 2: Convert to fraction form
    10,819.12/16,233.36 = 5,277.28/x
  3. Step 3: Cross multiply
    10,819.12x = 16,233.36 × 5,277.28
  4. Step 4: Simplify right side
    10,819.12x = 85,667,986.06
  5. Step 5: Solve for x
    x = 85,667,986.06/10,819.12
  6. Step 6: Final answer
    x = 7,918.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.