Home / 9,989.27-14,986.31-3,749.34

Finding the Fourth Proportional to 9,989.27, 14,986.31 and 3,749.34

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Solution

The fourth proportional to 9,989.27, 14,986.31 and 3,749.34 is: 5,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.27 : 14,986.31 = 3,749.34 : x
  2. Step 2: Convert to fraction form
    9,989.27/14,986.31 = 3,749.34/x
  3. Step 3: Cross multiply
    9,989.27x = 14,986.31 × 3,749.34
  4. Step 4: Simplify right side
    9,989.27x = 56,188,830.08
  5. Step 5: Solve for x
    x = 56,188,830.08/9,989.27
  6. Step 6: Final answer
    x = 5,624.92

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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.