Home / 9,829.99-14,744.90-3,985.21

Finding the Fourth Proportional to 9,829.99, 14,744.90 and 3,985.21

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Solution

The fourth proportional to 9,829.99, 14,744.90 and 3,985.21 is: 5,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.99 : 14,744.90 = 3,985.21 : x
  2. Step 2: Convert to fraction form
    9,829.99/14,744.90 = 3,985.21/x
  3. Step 3: Cross multiply
    9,829.99x = 14,744.90 × 3,985.21
  4. Step 4: Simplify right side
    9,829.99x = 58,761,503.00
  5. Step 5: Solve for x
    x = 58,761,503.00/9,829.99
  6. Step 6: Final answer
    x = 5,977.78

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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.