Home / 9,986.25-14,973.76-3,319.18

Finding the Fourth Proportional to 9,986.25, 14,973.76 and 3,319.18

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Solution

The fourth proportional to 9,986.25, 14,973.76 and 3,319.18 is: 4,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.25 : 14,973.76 = 3,319.18 : x
  2. Step 2: Convert to fraction form
    9,986.25/14,973.76 = 3,319.18/x
  3. Step 3: Cross multiply
    9,986.25x = 14,973.76 × 3,319.18
  4. Step 4: Simplify right side
    9,986.25x = 49,700,604.72
  5. Step 5: Solve for x
    x = 49,700,604.72/9,986.25
  6. Step 6: Final answer
    x = 4,976.90

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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.