Home / 9,890.24-14,835.36-3,969.84

Finding the Fourth Proportional to 9,890.24, 14,835.36 and 3,969.84

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Solution

The fourth proportional to 9,890.24, 14,835.36 and 3,969.84 is: 5,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.24 : 14,835.36 = 3,969.84 : x
  2. Step 2: Convert to fraction form
    9,890.24/14,835.36 = 3,969.84/x
  3. Step 3: Cross multiply
    9,890.24x = 14,835.36 × 3,969.84
  4. Step 4: Simplify right side
    9,890.24x = 58,894,005.54
  5. Step 5: Solve for x
    x = 58,894,005.54/9,890.24
  6. Step 6: Final answer
    x = 5,954.76

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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.