Home / 10,222.06-15,320.34-8,829.70

Finding the Fourth Proportional to 10,222.06, 15,320.34 and 8,829.70

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Solution

The fourth proportional to 10,222.06, 15,320.34 and 8,829.70 is: 13,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.06 : 15,320.34 = 8,829.70 : x
  2. Step 2: Convert to fraction form
    10,222.06/15,320.34 = 8,829.70/x
  3. Step 3: Cross multiply
    10,222.06x = 15,320.34 × 8,829.70
  4. Step 4: Simplify right side
    10,222.06x = 135,274,006.10
  5. Step 5: Solve for x
    x = 135,274,006.10/10,222.06
  6. Step 6: Final answer
    x = 13,233.54

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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.