Home / 9,756.86-14,636.80-3,181.51

Finding the Fourth Proportional to 9,756.86, 14,636.80 and 3,181.51

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Solution

The fourth proportional to 9,756.86, 14,636.80 and 3,181.51 is: 4,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.86 : 14,636.80 = 3,181.51 : x
  2. Step 2: Convert to fraction form
    9,756.86/14,636.80 = 3,181.51/x
  3. Step 3: Cross multiply
    9,756.86x = 14,636.80 × 3,181.51
  4. Step 4: Simplify right side
    9,756.86x = 46,567,147.84
  5. Step 5: Solve for x
    x = 46,567,147.84/9,756.86
  6. Step 6: Final answer
    x = 4,772.76

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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.