Home / 11,322.12-16,984.08-3,923.58

Finding the Fourth Proportional to 11,322.12, 16,984.08 and 3,923.58

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Solution

The fourth proportional to 11,322.12, 16,984.08 and 3,923.58 is: 5,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.12 : 16,984.08 = 3,923.58 : x
  2. Step 2: Convert to fraction form
    11,322.12/16,984.08 = 3,923.58/x
  3. Step 3: Cross multiply
    11,322.12x = 16,984.08 × 3,923.58
  4. Step 4: Simplify right side
    11,322.12x = 66,638,396.61
  5. Step 5: Solve for x
    x = 66,638,396.61/11,322.12
  6. Step 6: Final answer
    x = 5,885.68

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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.