Home / 10,176.82-15,295.80-8,433.30

Finding the Fourth Proportional to 10,176.82, 15,295.80 and 8,433.30

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Solution

The fourth proportional to 10,176.82, 15,295.80 and 8,433.30 is: 12,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.82 : 15,295.80 = 8,433.30 : x
  2. Step 2: Convert to fraction form
    10,176.82/15,295.80 = 8,433.30/x
  3. Step 3: Cross multiply
    10,176.82x = 15,295.80 × 8,433.30
  4. Step 4: Simplify right side
    10,176.82x = 128,994,070.14
  5. Step 5: Solve for x
    x = 128,994,070.14/10,176.82
  6. Step 6: Final answer
    x = 12,675.28

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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.