Home / 10,311.93-15,455.25-5,907.96

Finding the Fourth Proportional to 10,311.93, 15,455.25 and 5,907.96

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Solution

The fourth proportional to 10,311.93, 15,455.25 and 5,907.96 is: 8,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.93 : 15,455.25 = 5,907.96 : x
  2. Step 2: Convert to fraction form
    10,311.93/15,455.25 = 5,907.96/x
  3. Step 3: Cross multiply
    10,311.93x = 15,455.25 × 5,907.96
  4. Step 4: Simplify right side
    10,311.93x = 91,308,998.79
  5. Step 5: Solve for x
    x = 91,308,998.79/10,311.93
  6. Step 6: Final answer
    x = 8,854.70

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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.