Home / 9,764.96-14,639.23-3,187.55

Finding the Fourth Proportional to 9,764.96, 14,639.23 and 3,187.55

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Solution

The fourth proportional to 9,764.96, 14,639.23 and 3,187.55 is: 4,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.96 : 14,639.23 = 3,187.55 : x
  2. Step 2: Convert to fraction form
    9,764.96/14,639.23 = 3,187.55/x
  3. Step 3: Cross multiply
    9,764.96x = 14,639.23 × 3,187.55
  4. Step 4: Simplify right side
    9,764.96x = 46,663,318.17
  5. Step 5: Solve for x
    x = 46,663,318.17/9,764.96
  6. Step 6: Final answer
    x = 4,778.65

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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.