Home / 9,829.12-14,743.68-3,985.84

Finding the Fourth Proportional to 9,829.12, 14,743.68 and 3,985.84

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Solution

The fourth proportional to 9,829.12, 14,743.68 and 3,985.84 is: 5,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.12 : 14,743.68 = 3,985.84 : x
  2. Step 2: Convert to fraction form
    9,829.12/14,743.68 = 3,985.84/x
  3. Step 3: Cross multiply
    9,829.12x = 14,743.68 × 3,985.84
  4. Step 4: Simplify right side
    9,829.12x = 58,765,949.49
  5. Step 5: Solve for x
    x = 58,765,949.49/9,829.12
  6. Step 6: Final answer
    x = 5,978.76

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1.5x scale

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.